What does FEN stand for?
FEN stands for "fecal endogenous nitrogen"
How to abbreviate "fecal endogenous nitrogen"?
"fecal endogenous nitrogen" can be abbreviated as FEN
What is the meaning of FEN abbreviation?
The meaning of FEN abbreviation is "fecal endogenous nitrogen"
What does FEN mean?
FEN as abbreviation means "fecal endogenous nitrogen"
