1.
Saavedra-Alvarado CJ, García-Ruiz A, Hernández-Ortiz AF. Beginning of sexual and reproductive life in adolescence - UPSE Educational Unit. CEUS [Internet]. 2021 Apr. 1 [cited 2026 Nov. 12];3(1):19-24. Available from: https://ceus.ucacue.edu.ec/index.php/ceus/article/view/51