| APNH | antiporter sodium-hydrogen ion |
|---|---|
| cH+ | hydrogen ion concentration |
| DIM | divalent ion metabolism; medium infective dose [Lat. dosis infectionis media] |
| FIM | field ion microscopy; functional independence measure |
| FU | fecal urobilinogen; fetal urobilinogen; fluorouracil; follow-up; flux unit [ion]; fractional urinaly... |