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PD medications used as surrogates for PD diagnosis
| Medication | Participants |
|---|---|
| Amantadine | 19 |
| Benztropine | 20 |
| Biperiden | 1 |
| Bromocriptine | 6 |
| Carbidopa/levodopa | 96 |
| Carbidopa/levodopa/entacapone | 3 |
| Entacapone | 8 |
| Pergolide | 3 |
| Pramipexole | 57 |
| Ropinirole | 30 |
| Selegiline | 4 |
| Trihexyphenidyl | 4 |
