@article{econhot_econhot-cited-30176303a44981ca,
  title = {Flexible regression models with cubic splines},
  author = {Sylvain Durrleman and Richard M Simon},
  journal = {Statistics in Medicine},
  year = {1989},
  volume = {8},
  number = {5},
  pages = {551-561},
  doi = {10.1002/sim.4780080504},
  url = {https://doi.org/10.1002/sim.4780080504}
}