TY  - RPRT
TI  - Frailty selection in bivariate survival models: a cautionary note.
AU  - L Moreno
PY  - 1994
DO  - 10.1080/08898489409525377
UR  - https://pubmed.ncbi.nlm.nih.gov/12318732/
ID  - 12318732
ER  -