| 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... |
| ASPS | advanced sleep phase syndrome |
| CPIR | cephalic-phase insulin release |