Paul T. Harrell

Gender differences in use and expectancies of e-cigarettes: Online survey results

Bárbara Piñeiro, John B. Correa, Vani N. Simmons et al. · Addictive Behaviors · 2015 · 192 citations · Full text

Public Health, Health Behavior, Individual Differences +13

Early onset of drug and polysubstance use as predictors of injection drug use among adult drug users

Rebecca C. Trenz, Michael Scherer, Paul T. Harrell et al. · Addictive Behaviors · 2011 · 114 citations

Nursing, Pharmacology, Substance Use Disorders +13

Expectancies for Cigarettes, E-Cigarettes, and Nicotine Replacement Therapies Among E-Cigarette Users (aka Vapers)

Paul T. Harrell, Nicole S. Marquinez, John B. Correa et al. · Nicotine & Tobacco Research · 2014 · 107 citations · Full text

Public Health, Pharmacology, Pharmacotherapy +17

How Does Smoking and Nicotine Dependence Change After Onset of Vaping? A Retrospective Analysis of Dual Users

Úrsula Martínez, Víctor Martínez‐Loredo, Vani N. Simmons et al. · Nicotine & Tobacco Research · 2019 · 105 citations · Full text

Public Health, Health Behavior, Behavioral Epidemiology +16

Latent classes of heroin and cocaine users predict unique HIV/HCV risk factors

Paul T. Harrell, Brent E. Mancha, Hanno Petras et al. · Drug and Alcohol Dependence · 2011 · 97 citations · Full text

Public Health, Pharmacology, Epidemiology +13