00287nam a2200109Ia 4500008004100000040001100041100002000052245004500072260003900117300001200156300000900168251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aDoris M. Chaney 0aJournal Of The National Cancer Institute  c1962bUS Department of healthaUSA  aP.1-633  bV.29