Dutta, D C . Textbook of obstetrics including perinatology and contraception / by D C Dutta. - 7th ed. / - Calcutta : New Central Book Agency (P) Ltd. , 2011 - vii-xvi, 688p : ISBN: 81-7381-142-3 Subjects--Topical Terms: Medicine- Female- Childbirth Dewey Class. No.: L9F:3 / Q1