@misc{indiciaeefbd5d0c78d2,
  title = {Analyzing comorbidity.},
  author = {Bruce F Pennington and Erik Willcutt and Soo Hyun Rhee},
  year = {2005},
  doi = {10.1016/s0065-2407(05)80010-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/16101120/},
  note = {Source identifier: 16101120}
}