| GITT | gastrointestinal transit time; glucose insulin tolerance test |
|---|---|
| GT | gait training; galactosyl transferase; gastrostomy; generation time; genetic therapy; gingiva treatm... |
| g/t | granulation time; granulation tissue |
| HAT | Halsted Aphasia Test; head, arm, trunk; heparin-associated thrombocytopenia; heterophil antibody tit... |
| HET | Health Education Telecommunications; helium equilibration time |