00354nam a2200109Ia 4500008004100000022001400041040001100055100001800066245012200084260002900206300000900235251112s9999||||xx |||||||||||||| ||und||  a0304-3835  aCNCLSA  aDr. P. Shubik 0aCancer LettersbAn International Journal Providing a Forum For Orginal and Pertinent Contributions in cancer Research  c1998bElsevieraNew York  bV.37