@misc{indiciae3ae33b2a9446,
  title = {Calculating correlation coefficients with repeated observations: Part 1--Correlation within subjects.},
  author = {J M Bland and D G Altman},
  year = {1995},
  doi = {10.1136/bmj.310.6977.446},
  url = {https://pubmed.ncbi.nlm.nih.gov/7873953/},
  note = {Source identifier: 7873953}
}