@book{3219,
	author = {Valenti, Eduardo Alberto and Nassif, Juan Carlos},
	title = {Obstetricia /},
	publisher = {EDUDEBA;},
	year = {2017.},
	address = {Buenos Aires: },
	edition = {1a ed.},
	note = {Valenti, E. A., Nassif, J. C. y Winograd, R. H. (2017). Obstetricia. (1a ed.). Buenos Aires : EUDEBA.}
}