Cordeiro Santos, M. R., Zellerkraut, H. ., & Ruela de Oliveira, L. . (2008). Instructions for gestation course: repercussions in parents who live deeply the first gestation cycle. O Mundo Da Saúde, 32(4), 420–429. https://doi.org/10.15343/0104-7809.200832.4.2