singh ,kuldeep. step by step tips and tricks of ultrasound in obstetics, gynecology and infertility [[Book] /] kuldeep singh. - 1st.ed. - new delhi : Jaypee Brothers, 2005. - 213 p. ; 17cm.+ +1 cd. All age. ISBN: 8180614638 Dewey Class. No.: 618.07543 National Library of Medicine Call No.: 618.07543