| IPG | impedance plethysmography; inspiration-phase gas |
|---|---|
| LEP | lethal effective phase; lipoprotein electrophoresis; low egg passage; lower esophagus |
| LLP | late luteal phase; long-lasting potentiation |
| LPD | low-protein diet; luteal phase defect |
| NLP | no light perception; nodular liquefying panniculitis; normal light perception; normal luteal phase |