Costa, Priscila Bomfim, Ana Carolina Maria Araújo Chagas, Emanuella Silva Joventino, Regina Cláudia Melo Dodt, Mônica Oliveira Batista Oriá, and Lorena Barbosa Ximenes. 2013. “Development and Validation of Educational Manual for the Promotion of Breastfeeding”. Rev Rene 14 (6). http://periodicos.ufc.br/rene/article/view/3733.