| GBH | gamma-benzene hexachloride; graphite benzalkonium-heparin |
|---|---|
| GF-AAS | graphite furnace atomic absorption spectroscopy |
| FOB | fecal occult blood; feet out of bed; fiberoptic bronchoscopy; foot of bed; functional observational ... |
| HRNB | Halstead-Reitan Neuropsychological Battery |
| KABC | Kaufman Assessment Battery for Children |