Melin, K., Conte-Schmidt, N., Martínez-Arroyo, K., Rosa-Pérez, K., Soto-Avilés, A. E., & Hernández-Muñoz, J. J. (2018). Knowledge and Perceptions of E-cigarettes and the Motivations for their Use: Talking to Smokers (E-cigarettes and/or Conventional Cigarettes) and Non-smokers in Puerto Rico. Puerto Rico Health Sciences Journal, 37(3). Retrieved from https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1662