@misc{indiciaec2b4c3594528,
  title = {Non-parametric estimation for baseline hazards function and covariate effects with time-dependent covariates.},
  author = {Feng Gao and Amita K Manatunga and Shande Chen},
  year = {2007},
  doi = {10.1002/sim.2574},
  url = {https://pubmed.ncbi.nlm.nih.gov/16685705/},
  note = {Source identifier: 16685705}
}