Count | |
| 9 | |
| 26 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 27 | |
| 2 | |
| 18 | |
| 27 | |
| 4 | |
| 4 | |
| 3 | |
| 2 | |
| 17 | |
| 13 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 4 | |
| 1 | |
| 1 | |
| 5 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 3 | |
| 5 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 3 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
Levodopa/administration & dosage/*biosynthesis/therapeutic use | 1 |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
Levodopa/administration & dosage/adverse effects/*therapeutic use | 1 |
Levodopa/administration & dosage/*adverse effects/therapeutic use | 1 |
Levodopa/*administration & dosage/adverse effects/pharmacokinetics | 1 |
| 2 | |
| 3 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 7 | |
| 4 | |
| 2 | |
| 1 | |
| 7 | |
| 26 | |
| 1 | |
| 1 | |
| 4 | |
| 3 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 7 | |
| 2 | |
| 1 | |
| 6 | |
| 1 | |
| 2 | |
| 1 | |
| 6 | |
| 1 | |
| 2 | |
| 2 | |
| 1 | |