Michaud, T. L., Reyes, S., Guenzel, N., Guastello, P., Kerns, E., Berkman, M., … & Dai, H. D. (2026). Remotely delivered parents helping parents for youth nicotine vaping cessation recruited via electronic health records: Protocol for a feasibility randomized controlled trial. Contemporary Clinical Trials, 108416.

Dai, H. D., Shi, C., Reyes, S., & Woolsey, S. (2026). Evaluation of vaping cessation infographics among e-cigarette users: A cross-sectional, mixed-methods study. Tobacco Prevention & Cessation, 12, 10-18332.

Dai, H. D. (2026). Trends in cannabis and tobacco use by racial and ethnic groups among US Youth: 1991–2021. Journal of racial and ethnic health disparities, 13(2), 721-728.

Kim, J., Mabiala-Maye, G., Michaud, T., King, K. M., Estabrooks, P., Ewing Jr, J. W., & Dai, H. D. (2026). Using a cross-sectoral partnership to improve colorectal Cancer screening and follow-up among African Americans in the United States: A protocol and preliminary results. Preventive Medicine Reports, 103455.

Dai, H. D., Puga, T. B., Zhang, J., & Benowitz, N. L. (2026). Propensity score modeling of adolescent e-cigarette use and cognitive performance: One-year follow-up study. Tobacco Induced Diseases, 24, 10-18332.

Dai, H. D., & Young, B. (2026). Biomarkers of exposure to tobacco-related toxicants among adult nicotine pouch users. Nicotine and Tobacco Research, 28(2), 260-267.

Dai, H. D., & Puga, T. B. (2026). CBD, cannabis, or both? Examining use patterns and associated factors among US youth and adults. Addictive Behaviors, 108622.

Dai, H. D. (2025). Time since initiation on current vaping among adolescents and associations with adverse health outcomes. Addictive Behaviors, 160, 108165.

Cano, M. T., Perez, O. F. R., Reyes, S., Pineda, B. S., & Muñoz, R. F. (2025). Rethinking smoking and quitting in low-income contexts: a qualitative analysis with implications for practice and policy. International Journal of Environmental Research and Public Health, 22(7), 1122.

Michaud, T. L., Samson, K., Chang, S. H., Gustafson, C. R., & Dai, H. D. (2025). Discrete Choice Experiment on Financial Incentives for Engaging Young Adults in Vaping Cessation Programs. Substance Use & Misuse, 60(2), 219-227.

Fok, L., Dai, H. D., Brett-Major, D. M., Animut, A., Erko, B., Linville, J., … & Degarege, A. (2025). Effect of Praziquantel Treatment on the Nutritional Status of Children Infected with Schistosoma haematobium. Pathogens, 14(2), 123.

Dai, H. D. (2025). Trends in Cannabis and Tobacco Use by Racial and Ethnic Groups Among US Youth: 1991–2021. Journal of Racial and Ethnic Health Disparities, 1-8.

Michaud, T., Puga, T., Archer, R., Theye, E., Zagurski, C., Estabrooks, P., & Dai, H. D. (2025). Enhancing Text Message Support With Media Literacy and Financial Incentives for Vaping Cessation in Young Adults: Protocol for a Pilot Randomized Controlled Trial. JMIR Research Protocols, 14(1), e60527.

Guenzel, N., Zimmerman, L., Watanabe-Galloway, S., Dai, H. D., Qiu, F., & McChargue, D. (2025). A Pilot Randomized Controlled Trial Evaluating Peer Recovery Coaches for Addiction Recovery Among Indigenous Americans. Journal of the American Psychiatric Nurses Association, 10783903251319789.

Lee, J., Hinds, J. T., Dai, H. D., & Weinberger, A. H. (2025). Tobacco and Cannabis Co-Use by sexual minority adults in the United States, 2022. American Journal of Preventive Medicine, 68(4), 717-725.

Han, D. H., Harlow, A. F., Miech, R. A., Bae, D., Cho, J., Dai, H. D., … & Leventhal, A. M. (2025). Nicotine Pouch and E-Cigarette Use and Co-Use Among US Youths in 2023 and 2024. JAMA Network Open, 8(4), e256739-e256739.

Dai, H. D., Kerns, E., Niebur, H., Deschamp, A., Johnson, R., Samson, K., … & Woolsey, S. (2025). Developing a media literacy-based e-cigarette education program via medical record systems. Tobacco Prevention & Cessation, 11, 10-18332.

Dai, H. D., Hao, Y., Periera, M., & Michaud, T. (2025). Biomarkers of Exposure to Tobacco-Related Toxicants and Oxidative Stress Among Cancer Survivors. Nicotine and Tobacco Research, ntaf099.

Subramanian, R., Samson, K., & Dai, H. D. (2025). Tobacco control messages for individuals who use both cigarettes and e-cigarettes: a randomised trial comparing biomarker outcome with cessation experience narratives. Tobacco Control.

Dai, H. D., Keebler, A. K. B., & Young, B. (2025). Biomarkers of secondhand smoke and vaping exposure among US Adolescents. Addictive Behaviors, 108381.

Dai, H. D., Idoate, R., Mahroke, A., & Abresch, C. (2025). Racial Disparities in Patterns and Modes of Current and Daily Marijuana Use among Adults Living with Children. Journal of Racial and Ethnic Health Disparities, 12(3), 1787-1796.

Dai, H. D., Young, B., & Beseler, C. (2025). Mechanism that links perceived racism and discrimination and youth cannabis use, a structural equation modeling approach. Addictive Behaviors Reports, 21, 100590.

Young, B., Wheeler, L., & Dai, H. D. (2025). Parental influence on youth cannabis use: The interplay between disapproval and warmth. Addictive Behaviors Reports, 22, 100621.

Michaud, T. L., Estabrooks, P. A., Dai, H. D., King, K., Ewing Jr, J. W., Olabanji, K. T., … & Kim, J. (2025). Cost-effectiveness analysis of implementing a multisectoral program for colorectal cancer screening in an African American community. AJPM Focus, 100388.

Sanchez, L. M., Bae, D., Cho, J., Harlow, A. F., Kirkpatrick, M. G., Schuler, L. A., … & Leventhal, A. M. (2025). Awareness and Use of Vaping Products With a Nicotine Analogue Among Adolescents and Young Adults. Pediatrics, e2024070484.

Kochvar, A., Laviolette, S. R., Khan, A. S., Grin, B., & Dai, H. D. (2025). Regions of interest assessment of prenatal exposure to tobacco on adolescent cortical thickness and sulcal depth. Behavioural Brain Research, 115741.

Bae, D., Rahman, T., Sanchez, L. M. M., Miech, R., Harlow, A. F., Han, D. H., … & Leventhal, A. (2025). Trends in e-cigarette flavour use and demographic correlates among US youth from 2020 to 2023. Tobacco control.

Kochvar, A., Hao, G., & Dai, H. D. (2025). Biomarkers of metal exposure in adolescent e-cigarette users: correlations with vaping frequency and flavouring. Tobacco control, 34(5), 579-584.

Dai, H. D., & Young, B. (2025). Biomarkers of exposure to tobacco-related toxicants among adult nicotine pouch users. Nicotine and Tobacco Research, ntaf185.

Sanchez, L. M., Cho, J., Harlow, A. F., Miech, R. A., Sussman, S., Dai, H. D., … & Bae, D. (2025). Correlations Between Flavored E‐Cigarette Use and Tobacco and Substance Use Among US Youth, 2021 to 2023. The Milbank Quarterly.

Dai, H.D., Reyes, S., Buckley, J., Maloney, P. (2024). Biomarkers of Nicotine and Toxicant Exposure by E-Liquid Nicotine Concentration Level among US Adult Exclusive E-Cigarette Users. Cancer Epidemiology, Biomarkers & Prevention. https://doi.org/10.1158/1055-9965.EPI-24-0955

Michaud, T. L., Samson, K., Chang, S. H., Gustafson, C. R., & Dai, H. D. (2024).Discrete Choice Experiment on Financial Incentives for Engaging Young Adults in Vaping Cessation Programs. Substance Use & Misuse, 1-9

Fok, L., Brett-Major, D. M., Erko, B., Linville, J., Dai, H. D., Negash, Y., … & Degarege, A. (2024). Efficacy of Praziquantel in Treating Schistosoma haematobium Infection Among Ethiopian Children. Biomedicines, 12(11), 2463.

Dai, H. D., & Leventhal, A. M. (2024). Prevalence of Nicotine Pouch Use Among US Adults. JAMA, 332(9), 755-757.

Guenzel, N., Dai, H., & Dean, L. (2024). Descriptive Analysis of Student Diagnostic and Documentation Skill Development in a low Fidelity Simulation in Psychiatric Nurse Practitioner Education. SAGE Open Nursing, 10, 23779608241281443.

Dai, H. D., Hanh, P., Guenzel, N., Morgan, M., Kerns, E., & Winickoff, J. P. (2023). Adoption of Vaping Cessation Methods by US Adolescent E-Cigarette Users. Pediatrics, 152(5), e2023062948. https://doi.org/10.1542/peds.2023-062948

Rathnayake, N., Dai, H. D., Charnigo, R., Schmid, K., & Meza, J. (2022). A general class of small area estimation using calibrated hierarchical likelihood approach with applications to COVID-19 data. Journal of applied statistics, 50(16), 3384–3404. https://doi.org/10.1080/02664763.2022.2112556

Dinkel, D., Lujan, C., Johnson, J., Olson, D. D., Armstrong, J., Dai, H. D., … & Bice, M. R. (2023). Feasibility of a Mental Wellbeing Program for Rural Family Childcare Home Providers. Early Childhood Education Journal, 1-15.

Dai, H. D., Benowitz, N. L., Rogan, E., Degarege, A., Buckley, J., & Khan, A. S. (2023). Biomarkers of Toxic Exposure and Oxidative Stress Among U.S. Adult Users of Premium Cigar Versus Other Cigar Subtypes: 2013-2019. Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 25(Suppl_1), S84–S93. https://doi.org/10.1093/ntr/ntad054

Freitas-Lemos, R., Tomlinson, D. C., Yeh, Y. H., Dwyer, C. L., Dai, H. D., Leventhal, A., Tegge, A. N., & Bickel, W. K. (2023). Can delay discounting predict vaccine hesitancy 4-years later? A study among US young adults. Preventive medicine reports, 35, 102280. https://doi.org/10.1016/j.pmedr.2023.102280

Dai, H. D., Qiu, F., Jackson, K., Fruttiger, M., & Rizzo, W. B. (2023). Untargeted Metabolomic Analysis of Sjögren-Larsson Syndrome Reveals a Distinctive Pattern of Multiple Disrupted Biochemical Pathways. Metabolites, 13(6), 682. https://doi.org/10.3390/metabo13060682

Kochvar, A., Liu, Y., Munafo, M., Xu, Z., & Dai, H. D. (2023). Genetic and environmental influences on early-age susceptibility and initiation of nicotine-containing product use: A twin-pairs study. Tobacco prevention & cessation, 9, 34. https://doi.org/10.18332/tpc/173556

Tackett, A. P., Dai, H. D., Han, D. H., Vogel, E. A., Coreas, S. I., Jafarzadeh, N., Gonzalez Anaya, M. J., Patel, D., Peraza, N., Mason, T. B., & Leventhal, A. M. (2023). Appeal of e-cigarette flavors: Differences between never and ever use of combustible cigarettes. Drug and alcohol dependence, 246, 109849. https://doi.org/10.1016/j.drugalcdep.2023.109849

Lindpere, V., Winickoff, J. P., Khan, A. S., Dong, J., Michaud, T. L., Liu, J., & Dai, H. D. (2023). Reasons for E-cigarette Use, Vaping Patterns, and Cessation Behaviors Among US Adolescents. Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 25(5), 975–982. https://doi.org/10.1093/ntr/ntac278

Dai, H. D., Pierce, J., Beseler, C., Abadi, A., Zoucha, K., Johnson, R., Buckley, J., & Ramos, A. K. (2023). Hierarchical Modeling of Psychosocial, Parental, and Environmental Factors for Susceptibility to Tobacco Product Use in 9-10-Year-Old Children. The Journal of adolescent health : official publication of the Society for Adolescent Medicine, 72(2), 267–276. https://doi.org/10.1016/j.jadohealth.2022.09.021

Dai, H. D., & Leventhal, A. M. (2023). Use of Traditional Smokeless, Snus, and Dissolvable Tobacco Among U.S. Youth. American journal of preventive medicine, 64(2), 204–212. https://doi.org/10.1016/j.amepre.2022.09.011

Ratnapradipa, K., Samson, K., & Dai H.D. (2023). Randomised experiment for the effect of € Tobacco-Free Nicotine’ messaging on current e-cigarette users’ perceptions, preferences and intentions. Tobacco control, Article tc-2022-057507. https://doi.org/10.1136/tc-2022-057507

Woolsey, S., Ramos, A. K., Samson, K., Catley, D., King, K. M., Crane, R., & Dai, H. D. (2023). Strengthening Tobacco 21 implementation and enforcement to reduce tobacco-related health disparities: A stakeholder engagement project. Tobacco prevention & cessation, 9, 20. https://doi.org/10.18332/tpc/163299

Leventhal, A., Dai H.D., Barrington-Trimis, J., & Sussman, S. (2023). ‘Ice’flavoured e-cigarette use among young adults. Tobacco control, 32(1), 114-117.

Dai H, Henriksen L, Xu Z, Rathnayake N. Using place-based characteristics to inform FDA tobacco sales inspections: results from a multilevel propensity score model. Tob Control. 2022 Dec;31(e2):e148-e155. doi: 10.1136/tobaccocontrol-2021-056742. Epub 2021 Oct 25. PMID: 34697089; PMCID: PMC9726945.

Dai, H. D., Leventhal, A. M., & Khan, A. S. (2022). Trends in Urinary Biomarkers of Exposure to Nicotine and Carcinogens Among Adult e-Cigarette Vapers vs Cigarette Smokers in the US, 2013-2019. JAMA, 328(18), 1864–1866. https://doi.org/10.1001/jama.2022.14847

Dai, H. D., Ratnapradipa, K., Michaud, T. L., King, K. M., Guenzel, N., Tamrakar, N., Puga, T., & Sussman, S. (2022). Vaping Media Literacy, Harm Perception, and Susceptibility of E-Cigarette Use Among Youth. American journal of preventive medicine, 63(5), 852–860. https://doi.org/10.1016/j.amepre.2022.05.012

Michaud, T. L., Estabrooks, P. A., You, W., Ern, J., Scoggins, D., Gonzales, K., King, K. M., Dai, H., & Su, D. (2022). Effectiveness of incentives to improve the reach of health promotion programs- a systematic review and meta-analysis. Preventive medicine, 162, 107141. https://doi.org/10.1016/j.ypmed.2022.107141

Dai, H. D., Doucet, G. E., Wang, Y., Puga, T., Samson, K., Xiao, P., & Khan, A. S. (2022). Longitudinal Assessments of Neurocognitive Performance and Brain Structure Associated With Initiation of Tobacco Use in Children, 2016 to 2021. JAMA network open, 5(8), e2225991. https://doi.org/10.1001/jamanetworkopen.2022.25991

Bhandary, M., Dai, H., Bansal, N. K., & Shin, H. (2022). Bayes estimation of autocorrelation coefficient. Journal of Statistics and Management Systems, 25(4), 771-779.

Leventhal, A. M., Dai, H., & Higgins, S. T. (2022). Smoking Cessation Prevalence and Inequalities in the United States: 2014-2019. Journal of the National Cancer Institute, 114(3), 381–390. https://doi.org/10.1093/jnci/djab208

Leventhal, A. M., Dai, H., Barrington-Trimis, J. L., Tackett, A. P., Pedersen, E. R., & Tran, D. D. (2022). Disposable E-Cigarette Use Prevalence, Correlates, and Associations With Previous Tobacco Product Use in Young Adults. Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 24(3), 372–379. https://doi.org/10.1093/ntr/ntab165

Dai, H., Benowitz, N. L., Achutan, C., Farazi, P. A., Degarege, A., & Khan, A. S. (2022). Exposure to Toxicants Associated With Use and Transitions Between Cigarettes, e-Cigarettes, and No Tobacco. JAMA network open, 5(2), e2147891. https://doi.org/10.1001/jamanetworkopen.2021.47891

Dai, H., & Khan, A. S. (2022). The Effects of the Affordable Care Act on Health Access Among Adults Aged 18-64 Years With Chronic Health Conditions in the United States, 2011-2017. Journal of public health management and practice : JPHMP, 28(1), E85–E91. https://doi.org/10.1097/PHH.0000000000001225

Dai, H., & Hao, J. (2022). Online popularity of JUUL and Puff Bars in the USA: 2019-2020. Tobacco control, 31(1), 7–10. https://doi.org/10.1136/tobaccocontrol-2020-055727

Rathnayake N, Dai H, Charnigo R, Schmid K, Meza J. A General Class of Small Area Estimation Using Calibrated Hierarchical Likelihood Approach With Applications to COVID-19 Data. Journal of Applied Statistics. 2022.

Sargent, J. D., Stoolmiller, M., Dai, H., Barrington-Trimis, J. L., McConnell, R., Audrain-McGovern, J., & Leventhal, A. M. (2022). First E-Cigarette Flavor and Device Type Used: Associations With Vaping Persistence, Frequency, and Dependence in Young Adults. Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 24(3), 380–387. https://doi.org/10.1093/ntr/ntab172

Dai, H., Ramos, A. K., Faseru, B., Hill, J. L., & Sussman, S. Y. (2021). Racial Disparities of E-Cigarette Use Among US Youths: 2014‒2019. American journal of public health, 111(11), 2050–2058. https://doi.org/10.2105/AJPH.2021.306448

Cano, M. T., Pennington, D. L., Reyes, S., Pineda, B. S., Llamas, J. A., Periyakoil, V. S., & Muñoz, R. F. (2021). Factors associated with smoking in low-income persons with and without chronic illness. Tobacco induced diseases, 19, 59.

Dai, H., Tamrakar, N., Rathnayake, N., & Samson, K. (2021). Geographical distribution and social determinants of Tobacco 21 policy adoption and retail inspections in the United States, 2015-2019. Tobacco induced diseases, 19, 55. https://doi.org/10.18332/tid/140148

Dai H. (2021). Prevalence and Factors Associated With Youth Vaping Cessation Intention and Quit Attempts. Pediatrics, 148(3), e2021050164. https://doi.org/10.1542/peds.2021-050164

Dai, H., Chaney, L., Ellerbeck, E., Friggeri, R., White, N., & Catley, D. (2021). Rural-Urban Differences in Changes and Effects of Tobacco 21 in Youth E-cigarette Use. Pediatrics, 147(5), e2020020651. https://doi.org/10.1542/peds.2020-020651

University of Nebraska Medical Center, Dai, H., Ramos, A., Tamraker, N., Cheney, M., Samson, K., & Grimm, B. (2021). School Personnel’s Responses to School-based Vaping Prevention Program: A Qualitative Study. Health Behavior and Policy Review, 8(2), 130–147. https://doi.org/10.14485/HBPR.8.2.4

Guenzel, N., & Dai, H. (2021). Addiction peer recovery coach training pilot: assessment of confidence levels. PeerJ, 9, e10783. https://doi.org/10.7717/peerj.10783

Dai H. (2021). Youth Observation of E-Cigarette Use in or Around School, 2019. American journal of preventive medicine, 60(2), 241–249. https://doi.org/10.1016/j.amepre.2020.07.022

Dai, H., Chaney, L., Ellerbeck, E., Friggeri, R., White, N., & Catley, D. (2021). Youth Knowledge of Tobacco 21 and its Association With Intention to Use Tobacco. Nicotine & Tobacco Research, 23(2), 341–348. https://doi.org/10.1093/ntr/ntaa149

Leventhal, A. M., & Dai, H. (2021). Prevalence of Flavored e-Cigarette Use Among Subpopulations of Adults in the United States. Journal of the National Cancer Institute, 113(4), 418–424. https://doi.org/10.1093/jnci/djaa118

Kerns, E. K., McCulloh, R., & Dai, H. (2020). Reach, Adoption and Sustainability of a Mobile Clinical Decision Support Tool Paired with a National Quality Improvement Project Targeting Emergency Department Febrile Infant Management. https://doi.org/10.21203/rs.3.rs-125018/v1

Li, Q., Mohammad Abadi, A., Dai, H., & Bell, J. E. (2020, December). Modeling Coccidioidomycosis (Valley Fever) in Relation to Climate in Arizona and California. In AGU Fall Meeting Abstracts (Vol. 2020, pp. GH015-0009).

Dai, H., & Khan, A. S. (2020). A Longitudinal Study of Exposure to Tobacco-Related Toxicants and Subsequent Respiratory Symptoms Among U.S. Adults with Varying E-cigarette Use Status. Nicotine & Tobacco Research, 22(Supplement_1), S61–S69. https://doi.org/10.1093/ntr/ntaa180

Dai H, Hao J, Catley D. Retail violations of sales to minors on e-cigarettes and cigars. Public Health. 2020 Oct;187:36-40. doi: 10.1016/j.puhe.2020.07.029. Epub 2020 Sep 2. PMID: 32889230.

Dai, H. (2020). Heated tobacco product use and associated factors among U.S. youth, 2019. Drug and Alcohol Dependence, 214, 108150. https://doi.org/10.1016/j.drugalcdep.2020.108150

Herath, S., Dai, H., Erlich, J., Au, A. Y., Taylor, K., Succar, L., & Endre, Z. H. (2020). Selection and validation of reference genes for normalisation of gene expression in ischaemic and toxicological studies in kidney disease. PLOS ONE, 15(5), e0233109. https://doi.org/10.1371/journal.pone.0233109

Dai H. Exposure to Secondhand Aerosol From Electronic Cigarettes Among US Youth From 2015 to 2018. JAMA Pediatr. 2020;174(3):298–300. doi:10.1001/jamapediatrics.2019.56659

Dai H. Self-reported Marijuana Use in Electronic Cigarettes Among US Youth, 2017 to 2018. JAMA. 2020 Feb 4;323(5):473-474. doi: 10.1001/jama.2019.19571. PMID: 31848567; PMCID: PMC6990743.

Dai, H., & Siahpush, M. (2020). Use of E-Cigarettes for Nicotine, Marijuana, and Just Flavoring Among U.S. Youth. American Journal of Preventive Medicine, 58(2), 244–249. https://doi.org/10.1016/j.amepre.2019.09.006

Dai H.D. (2019) Trends in Single, Dual, and Poly use of Alcohol, Cigarette, and Marijuana among U.S. High School Students: 1991-2017. American Journal of Public Health.

Dai H.D., & A. Leventhal. (2019) Prevalence of E-cigarette Use Among Young Adults in the United States. JAMA.

Dai H.D., K Richter. A National Survey of Marijuana Use among US Adults with Medical Conditions: 2016-2017. JAMA Network Open. ( 13 news outlets reported this study, Altmetric Attention Score: 180)

Dai H.D. Changes in Flavored Tobacco Product Use among Current Youth Tobacco Users in the United States: 2014 – 2017. JAMA Pediatrics . 2019.

Raje, N., Ye, S. Q., Heruth, D. P., Gigliotti, N. M., Dai, H., Xiong, M., & Chan, M. A. (2018). Transcriptome analysis of T cells in chromosome 22q11.2 deletion syndrome. Journal of Allergy and Clinical Immunology, 141(2), AB24. https://doi.org/10.1016/j.jaci.2017.12.075

Dai, H., & Clements, M. (2018). Trends in Healthcare Provider Advice on Youth Tobacco Use, 2011-2015. American journal of preventive medicine, 55(2), 222–230. https://doi.org/10.1016/j.amepre.2018.04.015

Cuna, A., Liu, C., Govindarajan, S., Queen, M., Dai, H., & Truog, W. E. (2018). Usefulness of an Online Risk Estimator for Bronchopulmonary Dysplasia in Predicting Corticosteroid Treatment in Infants Born Preterm. The Journal of pediatrics, 197, 23–28.e2. https://doi.org/10.1016/j.jpeds.2018.01.065

Dai, H., & Catley, D. (2018). The effects of assurances of voluntary compliance on retail sales to minors in the United States: 2015-2016. Preventive medicine, 111, 410–414. https://doi.org/10.1016/j.ypmed.2017.11.036

Bartholomew, J. L., Dai, H., August, K. J., Ryan, R. E., & Stegenga, K. A. (2018). Feasibility of Outpatient High-Dose Methotrexate Infusions in Pediatric Patients With B-Lineage Acute Lymphoblastic Leukemia. Journal of the advanced practitioner in oncology, 9(4), 381–386.

Dai, H., Catley, D., Richter, K. P., Goggin, K., & Ellerbeck, E. F. (2018). Electronic Cigarettes and Future Marijuana Use: A Longitudinal Study. Pediatrics, 141(5), e20173787. https://doi.org/10.1542/peds.2017-3787

Dai, H.  & Hao, J. (2018). The effects of tobacco control policies on retailer sales to minors in the USA, 2015. Tobacco Control, 27(3), 258. https://doi.org/10.1136/tobaccocontrol-2016-053408