Esteves, A. P. V. dos S., Silva, L. R. da e Silva, M. D. B. (2009) “Social support network for pregnant women: nursing care factory based on a perspective cutural”, Revista de Enfermagem UFPE on line. Recife, 4(1), p. 82–92. doi: 10.5205/reuol.522-5647-1-LE.0401201011.