@book{20950,
	author = {Bolognese, Ronald J. , Schwarz, Richard H. & Schneider, Jan},
	title = {Perinatal Medicine : Management of the High Risk Fetus and Neonate},
	publisher = {Williams and Wilkins},
	year = {1982},
	address = {Baltimore},
	edition = {Second Edition},
	note = {include index}
}