00305nam a2200121Ia 4500008004100000022001400041040001100055100002000066245003000086260004000116300001700156300001000173251112s9999||||xx |||||||||||||| ||und||  a0007-0920  aCNCLSA  aPeter Twentyman 0aBritish Journal of Cancer  c1998bChurchill LivingstoneaLondon  aP. 1261-1680  bV. 78