| GSC | gas-solid chromatography; gravity settling culture |
|---|---|
| GV | gastric volume; gas ventilation; gentian violet; germinal vesicle; granulosis virus; griseoviridan; ... |
| HPVG | hepatic portal venous gas |
| IGV | intrathoracic gas volume |
| IPG | impedance plethysmography; inspiration-phase gas |