Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| Headache | 16 studies | 1,569 studies |
| Cephalalgia | -- | 81 studies |
| Cephalgia | -- | 6 studies |
| Head pain | -- | 10 studies |
| Pain in head | -- | 9 studies |
| Amitriptyline | 16 studies | 116 studies |
| Elavil | 5 studies | 14 studies |
| Amitriptylin | 1 studies | 4 studies |
| Saroten | 1 studies | 4 studies |
| Tryptizol | -- | 5 studies |
| -- | No studies found |
| * | Number of studies in the search results containing the term or synonym |
| ** | Number of studies in the entire database containing the term or synonym |