| Dmo2 | membrane diffusing capacity for oxygen |
|---|---|
| Dsb | single-breath diffusion capacity |
| EIC | elastase inhibition capacity; enzyme inhibition complex |
| FEC | forced expiratory capacity; free erythrocyte coproporphyrin; freestanding emergency center; Friend e... |
| FEF50 | forced expiratory flow at 50% of forced vital capacity |