@misc{indiciae47a4eaddbb86,
  title = {Differences between compliers and partial compliers: a multicenter study.},
  author = {B Siegal and S M Greenstein},
  year = {1998},
  doi = {10.1016/s0041-1345(98)00254-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/9636531/},
  note = {Source identifier: 9636531}
}