@misc{indiciaeba76d8513c8d,
  title = {Tutorial in biostatistics. An introduction to hierarchical linear modelling.},
  author = {L M Sullivan and K A Dukes and E Losina},
  year = {1999},
  doi = {10.1002/(sici)1097-0258(19990415)18:7<855::aid-sim117>3.0.co;2-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/10327531/},
  note = {Source identifier: 10327531}
}