TY  - RPRT
TI  - On maximum likelihood solutions for exponential survival models.
AU  - G J Beck
AU  - C L Chiang
PY  - 1981
DO  - 10.1002/bimj.4710230505
UR  - https://pubmed.ncbi.nlm.nih.gov/12312229/
ID  - 12312229
ER  -