00323nam a2200121Ia 4500008004100000082001900041100002100060245005000081250000800131260002500139300001100164650002600175150201s2008    xx            000 0 und d  a616.0757bU08C  aCOLLEN, PETER W.  aULTRASONOGRAPHY IN OBSTETRICS AND GYNAECOLOGY  a5TH  bSANDERSaDELHIc2008  a1-1240  aRADIOLOGY & DIAGNOSIS