Siqueira, Arnaldo Augusto Franco de, et al. “ Evolution of Pregnancy in Adolescent Mothers at the Pre-Natal Clinic of the Health Centre Geraldo De Paula Souza, S. Paulo (Brazil) ”. Revista De Saúde Pública, vol. 15, no. 5, Oct. 1981, pp. 449-54, https://doi.org/10.1590/S0034-89101981000500001.