DELGADO VILLA, Renée; BARRIO TARNAWIECKI, César. Factors that affect the menarche and the menstrual process: socio-economic level and physical activity. Anales de la Facultad de Medicina, [S. l.], v. 55, n. 1-2, p. 35–44, 1989. DOI: 10.15381/anales.v55i1-2.4956. Disponível em: https://revistasinvestigacion.unmsm.edu.pe/index.php/anales/article/view/4956.. Acesso em: 17 jul. 2024.