| ANC | absolute neutrophil count; acid neutralization capacity; antigen-neutralizing capacity; Army Nurse C... |
|---|---|
| APR | abdominoperineal resection; absolute proximal reabsorption; acute phase reaction or reactant; amebic... |
| AR | absolute risk; accounts receivable; achievement ratio; actinic reticuloid [syndrome]; active resista... |
| ARD | absolute reaction of degeneration; acute radiation disease; acute respiratory disease; adult respira... |
| ARP | absolute refractory period; American Registry of Pathologists; anticipated recovery path; apolipopro... |