@misc{indiciae320d9689b71d,
  title = {Single drug or polypharmacy?},
  author = {J R O'Brien},
  year = {1980},
  doi = {10.1136/bmj.280.6216.790-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/7370656/},
  note = {Source identifier: 7370656}
}