What does EI stand for?
EI stands for "expiratory-inspiratory"
How to abbreviate "expiratory-inspiratory"?
"expiratory-inspiratory" can be abbreviated as EI
What is the meaning of EI abbreviation?
The meaning of EI abbreviation is "expiratory-inspiratory"
What does EI mean?
EI as abbreviation means "expiratory-inspiratory"
