| IMDS | Idiopathic Myelo-Dysplastic Syndrome = Preleukemia = Refractory Anemi... |
|---|---|
| AERPAP | antegrade effective refractory period accessory pathway |
| ARMS | adverse reaction monitoring system; amplification refractory mutation system |
| ARP | absolute refractory period; American Registry of Pathologists; anticipated recovery path; apolipopro... |
| AVNFRP | atrioventricular node functional refractory period |