@misc{indiciaebffc33170b39,
  title = {Combination therapy for PD.},
  author = {A Lieberman},
  year = {1993},
  doi = {10.1212/wnl.43.12.2725-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/8255491/},
  note = {Source identifier: 8255491}
}