“Factores de Riesgo Ambientales para el cáncer broncopulmonar. Estudio de casos y controles”, CMS, vol. 28, no. 1, pp. 25–29, Apr. 1987, Accessed: Sep. 14, 2025. [Online]. Available: https://www.cms.ojstest.com/sitio%20nuevo%20ok/index.php/cms/article/view/1399