Tafur LA, Ordóñez G, Millán JC, Varela JM, Rebellón P. Prevalence of smoking habit in university students at Universidad Santiago de Cali. Colomb Med [Internet]. 2006 Nov. 18 [cited 2024 May 2];37(2):126-32. Available from: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/423