| FNF | false-negative fraction; femoral neck fracture |
|---|---|
| GG | or S glands, goiter, or stiffness [of neck] |
| HN | head and neck; head nurse; hemagglutinin neuraminidase; hematemesis neonatorum; hemorrhage of newbor... |
| H&N | head and neck |
| HNS | head and neck surgery; home nursing supervisor |