| LE | lactate extraction; left ear; left eye; leukocyte elastase; leukoerythrogenic; live embryo; Long Eva... |
|---|---|
| MER | mean ejection rate; medical emergency room; methanol extraction residue; murmur/energy ratio |
| OEF | oil immersion field; oxygen extraction fraction |
| O2ER | oxygen extraction ratio |
| rOEF | regional oxygen extraction fraction |