@book{138034,
	author = {Cunningham, F. Gary. and ebrary, Inc.},
	title = {Williams obstetrics},
	publisher = {McGraw-Hill Professional,},
	year = {c2005.},
	address = {New York :},
	edition = {22nd ed.},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10176686}
}