00282nam a2200109Ia 4500008004100000040001100041100001900052245001900071260006000090300001300150300000900163251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aDr. D. Clayson 0aCancer Letters  c1951bElsevier Scientific Publishing CompanyaAmsterdam  aP. 1-734  bV. 2