TY - RPRT TI - On non-parametric maximum likelihood estimation of the bivariate survivor function. AU - R L Prentice DO - 10.1002/(sici)1097-0258(19990915/30)18:17/18<2517::aid-sim273>3.0.co;2-f UR - https://pubmed.ncbi.nlm.nih.gov/10474157/ ID - 10474157 ER -