TY  - RPRT
TI  - Comparison of survival between two groups using software SAS, S-PLUS and STATISTICA.
AU  - K Hrach
PY  - 1997
DO  - 10.1016/s1386-5056(97)00031-2
UR  - https://pubmed.ncbi.nlm.nih.gov/9291016/
ID  - 9291016
ER  -