| HFRS | Hemorrhagic Fever with Renal Syndrome [HP 849-50] = Korean Hemorrhagic Fever &nbs... |
|---|---|
| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
| COLD | A cold agglutinin titer |
| RF | 1) Renal Failure 2) Rheumatic Fever ? Rheumatic Fever ... |
| HF | Hageman factor; haplotype frequency; hard filled [capsule]; hay fever; head of fetus; head forward; ... |