| MDS | Myelo-Dysplastic Syndrome = Refractory (Dysmyelopoietic) Anemia = (Id... |
|---|---|
| AERP | antegrade effective refractory period; atrial effective refractory period |
| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal... |
| STANDOUT | soft thresholding and depth cueing of unspecified techniques |
| URD | unspecified respiratory disease; upper respiratory disease |