00299nam a2200121Ia 4500008004100000022001400041040001100055100001900066245003000085260003700115300001500152300001000167251112s9999||||xx |||||||||||||| ||und||  a0007-0920  aCNCLSA  aP.R. Twentyman 0aBritish Journal of Cancer  c1990bMacmillan Press LtdaU.S.A  aP. 349-962  bV. 61