@misc{indiciae1c2ffed4b4ee,
  title = {Evaluating treatment efficacy by triangulation.},
  author = {M Kay and J Guernsey de Zapien and C A Wilson and M Yoder},
  year = {1993},
  doi = {10.1016/0277-9536(93)90343-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/8327918/},
  note = {Source identifier: 8327918}
}