DE LA VEGA, Alberto; MARTÍNEZ, Edilberto. Seasonal Variation in the Incidence of Cleft Lip and Palate Based on the Age of Conception. Puerto Rico Health Sciences Journal, [S. l.], v. 25, n. 4, 2006. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/286. Acesso em: 19 dec. 2025.