TY - BOOK AU - Marubini Ettore AU - Valsecchi M G TI - Analysing survival data from clinical trials and observational studies SN - 0-471-93987-0 U1 - 000SB:613.69 PY - 1995/// CY - Chichester PB - John Wiley KW - Biometry KW - Clinical trials KW - Statistical methods KW - Survival analysis ER -