| CCGC | capillary column gas chromotography |
|---|---|
| FECO2 | fractional concentration of carbon dioxide in expired gas |
| FEO2, | FEO2 fractional concentration of oxygen in expired gas |
| FGF | father's grandfather; fibroblast growth factor; fresh gas flow |
| FiCO2, | FICO2 fractional concentration of carbon dioxide in inspired gas |
| GC-NICI-MS | gas chromatography-negative ion chemical ionisation mass spectrometry |
|---|---|
| GC-C-IRMS | Gas chromatography-combustion-isotope ratio mass spectrometry |
| GC-FID | Gas chromatography-flame ionization detection |
| GC/MS | Gas chromatography/mass spectrometric |
| GLC | Gas liquid chromatographic |