Dam Purvita, Saha Sudip Kumar, Banerjee Sharmistha, Ganguly Sourav
Department of OBGYN, Medical College and Hospital, Kolkata, India ; 26 Sarat Chatterjee Road, Kolkata, 700089 India.
J Obstet Gynaecol India. 2012 Jun;62(3):334-5. doi: 10.1007/s13224-011-0113-9. Epub 2012 Mar 7.