@book{3666,
	author = {Berek, Jonathan S.},
	title = {Berek y Novak ginecología},
	publisher = {Wolters Kluwer ,},
	year = {2013.},
	address = {Barcelona :},
	edition = {15a ed.},
	note = {Título original : Berek & Novak's gynecology.}
}