| AERP | antegrade effective refractory period; atrial effective refractory period |
|---|---|
| ARP | absolute refractory period; American Registry of Pathologists; anticipated recovery path; apolipopro... |
| LP | labile peptide; labile protein; laboratory procedure; lactic peroxidase; lamina propria; laryngophar... |
| IP | Incubation Period; 잠복기 |
| LMP | Last Menstrual Period; 최종 월경기 |