Aquino, Priscila de Souza, Raul Feitoza Rogerio, Sabrina Ferreira da Silva, Ana Karina Bezerra Pinheiro, e Ana Kelve de Castro Damasceno. 2011. “Analysis of Scientific Production on Obstetrical Nursing in Scielo Database”. Rev Rene 12 (1). http://periodicos.ufc.br/rene/article/view/4188.