TY  - RPRT
TI  - [Non-parametric estimation of survival function for recurrent events data].
AU  - Juan R González
AU  - Edsel A Peña
DO  - 10.1590/s1135-57272004000200006
UR  - https://pubmed.ncbi.nlm.nih.gov/15199797/
ID  - 15199797
ER  -