MARÍN, Heriberto A.; DÍAZ-TORO, Elba. The Effect of the Smoke-Free Workplace Policy in the Exposure to Secondhand Smoke in Restaurants, Pubs, and Discos in San Juan, Puerto Rico. Puerto Rico Health Sciences Journal, [S. l.], v. 29, n. 3, 2010. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/450. Acesso em: 5 nov. 2025.