@book{37147,
	author = {PEREZ SANCHEZ, Alfredo and DONOSO SIÑA, Enríque},
	title = {Obstetricia /},
	publisher = {Publicaciones Técnicas Mediterraneo,},
	year = {1992.},
	address = {Santiago de Chile :},
	edition = {2a edición},
	note = {Incluye índice}
}