| FNF | false-negative fraction; femoral neck fracture |
|---|---|
| Ge- | Gerbich negative |
| GM- | gram-negative |
| GN | gaze nystagmus; glomerulonephritis; glucose nitrogen [ratio]; gnotobiote; graduate nurse; gram-negat... |
| GNB | ganglioneuroblastoma; gram-negative bacillus; guanine nucleotide-binding [protein] |