@misc{indiciae2e28f01b6edd,
  title = {A controlled study comparing trihexyphenidyl hydrochloride plus levodopa with placebo plus levodopa in patients with Parkinson's disease.},
  author = {W E Martin and R B Loewenson and J A Resch and A B Baker},
  year = {1974},
  doi = {10.1212/wnl.24.10.912},
  url = {https://pubmed.ncbi.nlm.nih.gov/4606107/},
  note = {Source identifier: 4606107}
}