K. Romero Viamonte, V. Vega Falcón, A. Salvent Tames, B. Sánchez Martínez, and K. J. Bolaños Vaca, “Maternal Risk Factors Retarding Intrauterine Growth in Pregnant Adolescents at Ambato General Teaching Hospital, Ecuador ”, Rev. cuba. obstet. ginecol., vol. 46, no. 1, Jul. 2023.