00273nam a2200097Ia 4500008004100000040001100041245003600052260006400088300001300152300001000165251112s9999||||xx |||||||||||||| ||und||  aCNCLSA 4aThe American Journal of Surgery  cJanuary, 1966bThe National Academy of SciencesaWashington  aP. 1-396  bV. 14