00357nam a2200109Ia 4500008004100000040001100041100001800052245010400070260005000174300001300224300001000237251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aJohn M. Grant 0aBritish Journal of Obstetrics & GynaecologybAn International Journal of Obstetrics and Gynaecology  cJune 16, 1964bElsevier Science LtdaNew York  aP. 1-434  bV. 42