@book{2098,
	author = {Schwarcz, Ricardo and Fescina, Ricardo Horacio.},
	title = {Obstetricia /  },
	publisher = {El Ateneo;},
	year = {2012},
	address = {Buenos Aires: },
	edition = {6a ed. 8a reimp.},
	note = {Schwarcz, R. L., Fescina, R. H. y Duverges, C. (Col.). (2012). Obstetricia. (6a ed.). Buenos Aires : El Ateneo.}
}