@book{18836,
	author = {Sarmiento Rodríguez, Andrés and Portilla Quevedo, Diego Fernando},
	title = {Ginecología y Obstericia},
	publisher = {Celsus},
	year = {2011},
	address = {Colombia},
	edition = {Primera edición},
	note = {www.celsus.com.co}
}