| HF | Hageman factor; haplotype frequency; hard filled [capsule]; hay fever; head of fetus; head forward; ... |
|---|---|
| HFF | human foreskin fibroblast |
| HFI | hereditary fructose intolerance; human fibroblast interferon |
| HFIF | human fibroblast interferon |
| NGSF | nongenital skin fibroblast |