EHLERS, V. Contraceptive technology: quest of excellence. Africa Journal of Nursing and Midwifery, [S. l.], v. 14, n. 1, p. 132–133, 2012. DOI: 10.25159/2520-5293/9229. Disponível em: https://unisapressjournals.co.za/index.php/AJNM/article/view/9229. Acesso em: 14 may. 2024.