| AHN | Army Head Nurse; assistant head nurse |
|---|---|
| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |
| 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... |
| CD | cadaver donor; canine distemper; canine dose; carbohydrate dehydratase; carbon dioxide; cardiac dise... |