| ATR | Achilles tendon reflex; alpha-thalassemia-mental retardation [syndrome] |
|---|---|
| ATRX, ATR-X | X-linked alpha-thalassemia mental retardation [syndrome] |
| S/b | sickle cell beta-thalassemia |
| ST | esotropia; scala tympani; scaphotrapezoid; sclerotherapy; sedimentation time; semitendinosus; sensor... |
| S-T | [segment] in electrocardiography, the portion of the segment between the end of the S wave and the b... |