@book{113194,
	author = {Walker, James.},
	title = {Combined textbook of obstetrics and gynaecology /},
	publisher = {Churchill Livingstone,},
	year = {1976.},
	address = {Edinburgh  :},
	edition = {9th ed.},
	note = {First-4th editions by J. M. M. Kerr and others; 5th-8th editions by D. Baird; all under title: Combined textbook of obstetrics and gynaecology for students and practitioners.}
}