| FF | degree of fineness of abrasive particles; fat-free; father factor; fecal frequency; fertility factor... |
|---|---|
| GF | gastric fistula; gastric fluid; germ-free; glass factor; glomerular filtration; gluten-free; grandfa... |
| GIF | gastric intrinsic factor; growth hormone-inhibiting factor |
| HGF | hepatocyte growth factor; hyperglycemic-glucogenolytic factor |
| HLF | heat-labile factor; hepatic leukemia factor |