00307nam a2200109Ia 4500008004100000040001100041100002100052245004500073260005400118300001600172300000900188251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aPeter Greenwald, 0aJournal of the National Cancer Institute  cMarch, 1952bNational Institutes of HealthaU.S.A  aP. 537-1044  bV.69