What does REL stand for?
REL stands for "resting expiratory level"
How to abbreviate "resting expiratory level"?
"resting expiratory level" can be abbreviated as REL
What is the meaning of REL abbreviation?
The meaning of REL abbreviation is "resting expiratory level"
What does REL mean?
REL as abbreviation means "resting expiratory level"
