| GRF | gastrin-releasing factor; genetically related macrophage factor; gonadotropin-releasing factor; grow... |
|---|---|
| GF | gastric fistula; gastric fluid; germ-free; glass factor; glomerular filtration; gluten-free; grandfa... |
| SGF | sarcoma growth factor; skeletal growth factor |
| PAF | paroxysmal atrial fibrillation; peroxisomal assembly factor; phosphodiesterase-activating factor; pl... |
| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |