@book{18685,
	author = {Dutta, D. C. and Konar, Hiralal},
	title = {Textbook of Obstetrics :},
	publisher = {New Central Book Agency (p) Ltd.,},
	year = {1983 [reprinted 2006].},
	address = {India :},
	edition = {6th ed.},
	note = {Includes index.}
}