| OEF | oil immersion field; oxygen extraction fraction |
|---|---|
| O2ER | oxygen extraction ratio |
| rOEF | regional oxygen extraction fraction |
| TEC | total electron count; total eosinophil count; total exchange capacity; transient erythroblastopenia ... |
| OEF | oxygen extraction fraction |
|---|---|
| OER | oxygen extraction ratio |
| rOEF | regional oxygen extraction fraction |