00323nam a2200097Ia 4500008004100000082002500041100001800066245005400084260005500138300003200193251023b        |||||||| |||| 00| 0 eng d  a519.5024574bL477.SM  aLee, Elisa T.  aStatistical methods for survival data analysisb/  aCalifornia:bLife Time Learning Publication,c1980  axvii, 557p. Index. Appendix