| HF | Hageman factor; haplotype frequency; hard filled [capsule]; hay fever; head of fetus; head forward; ... |
|---|---|
| HN | head and neck; head nurse; hemagglutinin neuraminidase; hematemesis neonatorum; hemorrhage of newbor... |
| HA | 1) Hemolytic Anemia 2) Head-Ache |
| H & N | Head & Neck |
| HT | Head Trauma |