@misc{indiciaeefca9638720b,
  title = {A method for combining matched and unmatched binary data. Application to randomized, controlled trials of photocoagulation in the treatment of diabetic retinopathy.},
  author = {S W Duffy and T E Rohan and D G Altman},
  year = {1989},
  doi = {10.1093/oxfordjournals.aje.a115343},
  url = {https://pubmed.ncbi.nlm.nih.gov/2750732/},
  note = {Source identifier: 2750732}
}