TY  - BOOK
AU  - Marubini, Ettore
AU  - Valsecchi, M. Grazia
TI  - Analysing survival data from clinical trials and observation studies
T2  - Statistics in practice
U1  - 519.5024574 
PY  - 1995///
CY  - Chichester
PB  - John Wiley
ER  -