00327nam a2200121Ia 4500008004100000022001400041040001100055100002200066245004500088260004800133300001500181300000900196251112s9999||||xx |||||||||||||| ||und||  a0027-8874  aCNCLSA  aBarnett S. Kramer 0aJournal Of The National Cancer Institute  cApril 7, 1999bOxford University PressaU.K  aP.575-1092  bV.91