TY  - RPRT
TI  - A computer program for maximum likelihood estimation of survival probabilities under a logistic model.
AU  - S Johansen
PY  - 1973
DO  - 10.1016/0010-468x(73)90019-6
UR  - https://pubmed.ncbi.nlm.nih.gov/4748879/
ID  - 4748879
ER  -