00339pab a2200133 454500008004000000100002200040245004900062260000900111300001400120362000800134650001100142700002300153773002900176180718b2007   xxu||||| |||| 00| 0 eng d  aRobson, Arthur J.  aWhy do we die? Economics, biology, and aging  c2007  ap.492-95.  aMay  aAgeing  aKaplan, Hillard S.  aAmerican Economic Review