| Verfasser | Häufigkeit |
|---|---|
| Tansley, Albert Edward | 6 |
| Birch, Susan | 3 |
| Cline, Tony | 3 |
| Gulliford, Anthea | 3 |
| Gulliford, Richard | 3 |
| Abdool Karim, Quarraisha | 2 |
| Detels, Roger | 2 |
| Gulliford, Ronald | 2 |
| Gulliford, Martin | 1 |
| Gulliford, Martin 1954- | 1 |
| Gulliford, Robert | 1 |
| Tan, Chorh Chuan | 1 |
| Tan, Chorh-Chuan | 1 |