O’SHEA, O. K.; GREEN, H. J.; PHILPOTT, H. L.; NEWLAND, N. An exploratory, randomised, crossover study to investigate the effect of a nicotine containing electronic cigarette on appetite in healthy adult smokers, after a period of smoking abstinence: study protocol. International Journal of Clinical Trials, [S. l.], v. 9, n. 4, p. 314–320, 2022. DOI: 10.18203/2349-3259.ijct20222692. Disponível em: https://www.ijclinicaltrials.com/index.php/ijct/article/view/629. Acesso em: 25 dec. 2025.