@book{5933,
	author = {Pérez Sánchez, Alfredo. and Donoso Siña, Enrique.},
	title = {Obstetricia /},
	edition = {Cuarta edición.},
	note = {Incluye índice.},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl//ebook_2/obstetricia/}
}