| HFO-A | high-frequency oscillatory [ventilation]-active [expiratory phase] |
|---|---|
| IPD | idiopathic Parkinson disease; idiopathic protracted diarrhea; immediate pigment darkening; increase ... |
| IPG | impedance plethysmography; inspiration-phase gas |
| LEP | lethal effective phase; lipoprotein electrophoresis; low egg passage; lower esophagus |
| LLP | late luteal phase; long-lasting potentiation |