Taddei, José Augusto de Aguiar Carrazedo, Marcia Faria Westphal, Sonia Venancio, Cláudia Bogus, and Sonia Souza. 2000. “Breastfeeding Training for Health Professionals and Resultant Changes in Breastfeeding Duration”. São Paulo Medical Journal 118 (6):185-91. https://periodicosapm.emnuvens.com.br/spmj/article/view/2700.