Parizotto, Janaína, and Nelci Terezinha Zorzi. “Breast-Feeding: Factors Leading to Precocious Weaning in Passo Fundo, RS”. O Mundo Da Saúde, vol. 32, no. 4, Oct. 2008, pp. 466-74, doi:10.15343/0104-7809.200832.4.8.