| LPD | Luteal Phase Defect |
|---|---|
| APP | acute phase protein; alum-precipitated pyridine; aminopyrazolopyrimidine; amyloid peptide precursor;... |
| APR | abdominoperineal resection; absolute proximal reabsorption; acute phase reaction or reactant; amebic... |
| APRP | acidic proline-rich protein; acute phase reactant protein |
| ARP | absolute refractory period; American Registry of Pathologists; anticipated recovery path; apolipopro... |