A clinical trial of folic acid in Parkinson's disease.

@article{Mcgeer1972ACT,
  title={A clinical trial of folic acid in Parkinson's disease.},
  author={Patrick L. Mcgeer and L R Zeldowicz and E. G. McGeer P. L. McGeer},
  journal={Canadian Medical Association journal},
  year={1972},
  volume={106 2},
  pages={145-6 passim}
}