1. Kalbfleisch JD, Prentice RL (1980) The statistical analysis of failure time data. Wiley, New York
2. Oberla KK, Schreiber MA (1981) Statistische Instrumente zur ärztlichen Prognostik. Internist 22: 124 – 130
3. Clarkson B, Ellis S, Little C, Gee T, Arlin Z, Mertelsmann R, Andreeff M, Kempin S, Koziner B, Chaganti R, Jhanwar S, McKenzie S, Cirrincione C, Gaynor J (1985) Acute lymphoblastic leucemia in adults. Seminars in Oncology 12: 160 – 179
4. Baccarani M, Corbelli G, Amadori S, Drenthe-Schonk A, Willemze R, Meloni G, Cardozo PL, Haanen C, Mandelli F, Tura S (1982) Adolescent and adult lymphoblastic leukemia: prognostic features and outcome of therapy. A study of 293 patients. Blood 60: 677 – 684
5. Ruggero D, Baccarani M, Gobbi M, Tura S (1979) Adult acute lymphoblastic leukemia: tudy of 32 patients and analysis of prognostic factors. Scand J Haematol 22: 154 – 164