| FEF50 | forced expiratory flow at 50% of forced vital capacity |
|---|---|
| FIF50 | forced inspiratory flow at 50% of forced vital capacity |
| ET | educational therapy; effective temperature; ejection time; embryo transfer; endothelin; endotoxin; e... |
| IT | immunological test; immunotherapy; implantation test; individual therapy; information technology; in... |
| RT | radiologic technologist; radiotelemetry; radiotherapy; radium therapy; rapid tranquilization; reacti... |