00261nam a2200097Ia 4500008004100000040001100041100002300052245002000075260005900095300000900154251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aMichael B. Shimkin 0aCancer Research  cJanuary, 1965bThe Williams & Wilkins CompanyaU. S. A  bV.25