@book{3317,
	author = {Schwarcz, Ricardo and Fescina, Ricardo Horacio.},
	title = {Obstetricia /  },
	publisher = {El Ateneo;},
	year = {2016.},
	address = {Buenos Aires: },
	edition = {7a ed. },
	note = {Schwarcz, R. L., Fescina, R. H. y Duverges, C. (2016). Obstetricia. (7a ed.). Buenos Aires : El Ateneo.}
}