@book{28891,
	author = {American College of Obstetricians and Gynecologists.},
	title = {Prolog obstetrics /},
	publisher = {American College of Obstetricians and Gynecologists, },
	year = {2003.},
	address = {Washington, D.C. : },
	edition = {5th ed.},
	note = {Include index}
}