@book{6218,
	author = {Powrie, Raymond O and Powrie, Raymond O.},
	title = {De Swiet's medical disorders in obstetric practice },
	publisher = {Wiley-Blackwell},
	year = {2010},
	address = {Chichester, West Sussex },
	edition = {5th ed.},
	note = {Rev. ed. of: Medical disorders in obstetric practice / edited by Michael de Swiet. 4th ed. 2002.}
}