@book{6452,
	author = {Hacker, Neville F,editor},
	title = {Essentials of obstetrics and gynecology},
	publisher = {Elsevier Sanundes;},
	year = {2004},
	address = {Phialdelphia:},
	edition = {4th ed},
	note = {Includes bibligrphical reference and index}
}