Piecewise exponential survival curves with smooth transitions
Zelterman D, Grambsch P, Le C, Z. J, Curtsinger J. Piecewise exponential survival curves with smooth transitions. Mathematical Biosciences 1994, 120: 233-250. PMID: 8204986, DOI: 10.1016/0025-5564(94)90054-x.Peer-Reviewed Original Research