| ARP | absolute refractory period; American Registry of Pathologists; anticipated recovery path; apolipoprotein regulatory protein; assay reference plasma; assimilation regulatory protein; at risk period; automaticity recovery phase |
|---|---|
| ARPANET | Advanced Research Projects Agency Network |
| ARPD | autosomal recessive polycystic disease |
| ARPES | angular resolved photoelectron spectroscopy |
| ARPKD | autosomal recessive polycystic kidney disease |
| ARPT | American Registry of Physical Therapists |