@misc{indiciae8dde44edfee1,
  title = {Tutorial in biostatistics: spline smoothing with linear mixed models.},
  author = {Lyle C Gurrin and Katrina J Scurrah and Martin L Hazelton},
  year = {2005},
  doi = {10.1002/sim.2193},
  url = {https://pubmed.ncbi.nlm.nih.gov/16206247/},
  note = {Source identifier: 16206247}
}