00396pam a2200121 a 4500020001700000041000500017082001500022100001500037245012400052260005200176300003200228650001400260  a8180614638c  h  a618.2bSIN  aSINGH, K .  aSTEP BY STEP TIPS & TRICKS OF ULTRASOUND IN OBSTETRICS GYNAECOLOGY & INFERTILITY (WITH CD) / cNULL.hTextual Documents  aNULL : bJAYPEE BROTHERS MEDICAL PUB. , c2005.  a203 : :bX ; ;cA4 . +ePB.  aOBST.GYNE