| PFU | plaque-forming unit; pock-forming unit |
|---|---|
| EU | Ehrlich unit; elementary unit; emergency unit; endotoxin unit; entropy unit; enzyme unit; esterase u... |
| CU | cardiac unit; casein unit; cause unknown or undetermined; chymotrypsin unit; clinical unit; color un... |
| CFU-S, | CFUS colony-forming unit, spleen; colony-forming unit, stem cells |
| HU | heat unit; hemagglutinating unit; hemolytic unit; Hounsfield unit; human urine, human urinary; hydro... |