@book{17898,
	author = {Varney, Helen and Kriebs, Jan M.},
	title = {Varney's midwifery /},
	publisher = {Jones and Bartlett Publishers,},
	year = {c2004.},
	address = {Sudbury :},
	edition = {4th ed.},
	note = {Includes bibliographical references and index}
}