DE LA VEGA, Alberto; LÓPEZ-CEPERO, Ronald. Seasonal Variations in the Incidence of Congenital Anomalies in Puerto Rico based on the Timing of Conception. Puerto Rico Health Sciences Journal, [S. l.], v. 28, n. 2, 2009. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/119. Acesso em: 19 dec. 2025.