Modeling survival data : extending the Cox model 2026-02-16T07:28:10+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Therneau, Terry M.; Grambsch, Patricia M. (Statistics for biology and health, 2000)