@article{liu2026coxmnar,
  title   = {Estimation in the {C}ox proportional hazards model with missing not at random failure indicators},
  author  = {Liu, Yi and Liu, Kaiyuan},
  journal = {Statistics and Computing},
  volume  = {36},
  pages   = {112},
  year    = {2026},
  doi     = {10.1007/s11222-026-10857-1}
}

@article{cox1972,
  title   = {Regression models and life-tables},
  author  = {Cox, D. R.},
  journal = {Journal of the Royal Statistical Society, Series B},
  volume  = {34},
  number  = {2},
  pages   = {187--220},
  year    = {1972},
  doi     = {10.1111/j.2517-6161.1972.tb00899.x}
}

@article{cox1975,
  title   = {Partial likelihood},
  author  = {Cox, D. R.},
  journal = {Biometrika},
  volume  = {62},
  number  = {2},
  pages   = {269--276},
  year    = {1975},
  doi     = {10.1093/biomet/62.2.269}
}

@article{andersengill1982,
  title   = {{C}ox's regression model for counting processes: a large sample study},
  author  = {Andersen, P. K. and Gill, R. D.},
  journal = {The Annals of Statistics},
  volume  = {10},
  number  = {4},
  pages   = {1100--1120},
  year    = {1982},
  doi     = {10.1214/aos/1176345976}
}

@article{liuwang2010,
  title   = {Semiparametric estimation for regression coefficients in the {C}ox model with failure indicators missing at random},
  author  = {Liu, Chunling and Wang, Qihua},
  journal = {Statistica Sinica},
  volume  = {20},
  number  = {3},
  pages   = {1125--1142},
  year    = {2010}
}

@article{sunxieliang2013,
  title   = {Statistical inference for right-censored data with nonignorable missing censoring indicators},
  author  = {Sun, Zhihua and Xie, Tianfa and Liang, Hua},
  journal = {Science China Mathematics},
  volume  = {56},
  number  = {6},
  pages   = {1263--1278},
  year    = {2013},
  doi     = {10.1007/s11425-012-4492-x}
}

@article{qiuchenzhou2015,
  title   = {A kernel-assisted imputation estimating method for the additive hazards model with missing censoring indicator},
  author  = {Qiu, Zhiping and Chen, Xiaoping and Zhou, Yong},
  journal = {Statistics \& Probability Letters},
  volume  = {98},
  pages   = {89--97},
  year    = {2015},
  doi     = {10.1016/j.spl.2014.12.006}
}

@article{byrd1995,
  title   = {A limited memory algorithm for bound constrained optimization},
  author  = {Byrd, Richard H. and Lu, Peihuang and Nocedal, Jorge and Zhu, Ciyou},
  journal = {SIAM Journal on Scientific Computing},
  volume  = {16},
  number  = {5},
  pages   = {1190--1208},
  year    = {1995},
  doi     = {10.1137/0916069}
}

@article{dikta1998,
  title   = {On semiparametric random censorship models},
  author  = {Dikta, Gerhard},
  journal = {Journal of Statistical Planning and Inference},
  volume  = {66},
  number  = {2},
  pages   = {253--279},
  year    = {1998},
  doi     = {10.1016/S0378-3758(97)00091-8}
}

@book{flemingharrington1991,
  title     = {Counting Processes and Survival Analysis},
  author    = {Fleming, Thomas R. and Harrington, David P.},
  publisher = {Wiley},
  year      = {1991}
}

@incollection{gijbelslinying2007,
  title     = {Non- and semi-parametric analysis of failure time data with missing failure indicators},
  author    = {Gijbels, Irene and Lin, Danyu and Ying, Zhiliang},
  booktitle = {Complex Datasets and Inverse Problems: Tomography, Networks and Beyond},
  series    = {IMS Lecture Notes-Monograph Series},
  volume    = {54},
  pages     = {203--223},
  publisher = {IMS},
  year      = {2007},
  doi       = {10.1214/074921707000000166}
}

@article{goetghebeurryan1995,
  title   = {Analysis of competing risks survival data when some failure types are missing},
  author  = {Goetghebeur, Els and Ryan, Louise},
  journal = {Biometrika},
  volume  = {82},
  number  = {4},
  pages   = {821--833},
  year    = {1995},
  doi     = {10.1093/biomet/82.4.821}
}

@article{mckeaguesubramanian1998,
  title   = {Product-limit estimators and {C}ox regression with missing censoring information},
  author  = {McKeague, Ian W. and Subramanian, Sundarraman},
  journal = {Scandinavian Journal of Statistics},
  volume  = {25},
  number  = {4},
  pages   = {589--601},
  year    = {1998}
}

@article{vandelaanmckeague1998,
  title   = {Efficient estimation from right-censored data when failure indicators are missing at random},
  author  = {van der Laan, Mark J. and McKeague, Ian W.},
  journal = {The Annals of Statistics},
  volume  = {26},
  number  = {1},
  pages   = {164--182},
  year    = {1998}
}

@article{dickson1989,
  title   = {Prognosis in primary biliary cirrhosis: model for decision making},
  author  = {Dickson, E. Rolland and Grambsch, Patricia M. and Fleming, Thomas R. and Fisher, Lloyd D. and Langworthy, Alice},
  journal = {Hepatology},
  volume  = {10},
  number  = {1},
  pages   = {1--7},
  year    = {1989}
}

@article{lammers2014,
  title   = {Predicting outcome in primary biliary cirrhosis},
  author  = {Lammers, Willem J. and Kowdley, Kris V. and van Buuren, Henk R.},
  journal = {Annals of Hepatology},
  volume  = {13},
  number  = {4},
  pages   = {316--326},
  year    = {2014}
}
