00278nam a2200109Ia 4500008004100000040001100041100002100052245004500073260002700118300001300145300001000158251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aRobert E. Wittes 0aJournal of the National Cancer Institute  cJanuary-December, 1954  aP. 1-793  bV. 12