TY - RPRT TI - Actuarial and Kaplan-Meier survival analysis: there is a difference. AU - D W Wormuth PY - 1999 DO - 10.1016/s0022-5223(99)70078-4 UR - https://pubmed.ncbi.nlm.nih.gov/10534714/ ID - 10534714 ER -