@misc{indiciaecd0561efccd8,
  title = {Using bivariate models to understand between- and within-cluster regression coefficients, with application to twin data.},
  author = {Lyle C Gurrin and John B Carlin and Jonathan A C Sterne and Gillian S Dite and John L Hopper},
  year = {2006},
  doi = {10.1111/j.1541-0420.2006.00561.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/16984316/},
  note = {Source identifier: 16984316}
}