00305nam a2200109Ia 4500008004100000040001100041100001800052245004700070260005400117300001300171300001100184251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aKenneth Bowes 0aModern Trends in Obstetrics and Gynacology  c1989bElsevier Science Publishers B.V.aAmsterdam  aP. 1-728  bV. 270