Salgado C, Arango C, Bolaños O, Bergonzoli G, Roa JA, Durán P, Guerrero R, Pío A. Evaluation of BCG’s prophylactic effectiveness. Colomb Med [Internet]. 1990 Sep. 30 [cited 2024 Aug. 24];21(3):85-90. Available from: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/6303