00257nam a2200109Ia 4500008004100000082001600041100002100057245002100078250000900099260003100108300000800139150731s2013    xx            000 0 und d  a619bO 13 B  aBALAKRISHNAN. S.  aTB OF OBSTETNICS  a2 ND  bPANAS PUB. HYDERABADc2013  a624