| FRES | Fellow of the Royal Entomological Society |
|---|---|
| FRIPHH | Fellow of the Royal Institute of Public Health and Hygiene |
| FRMedSoc | Fellow of the Royal Medical Society |
| FRMS | Fellow of the Royal Microscopical Society |
| FRS | Fellow of the Royal Society; ferredoxin-reducing substance; first rank symptom; furosemide |