| STF | serum thymus factor; slow-twitch fiber; special tube feeding; specialized treatment center; stefin; ... |
|---|---|
| VCF | velocardiofacial [syndrome]; velocity of circumferential fiber [lengthening] |
| VCFmin | minimum velocity of circumferential fiber [lengthening] |
| MF | myelinated fiber |
|---|---|
| MERRF | myoclonus epilepsy and ragged red fiber |