Prevalence and determinants of tobacco use (smoked and smokeless) among university students in Karachi: a cross-sectional study. International Annals of Health Sciences, [S. l.], v. 3, n. 1, 2026. DOI: 10.69491/381jcd90. Disponível em: https://www.iahslcmd.com.pk/index.php/iahs/article/view/83. Acesso em: 21 may. 2026.