| ATR | Achilles tendon reflex; alpha-thalassemia-mental retardation [syndrome] |
|---|---|
| PTR | patellar tendon reflex; patient termination record; patient to return; peripheral total resistance; ... |
| TTR | transthoracic resistance; transthyretin; triceps tendon reflex |
| AMR | acoustic muscle reflex; activity metabolic rate; acute mitral stenosis; alopecia-mental retardation ... |
| CR | calculation rate; calculus removed; calorie-restricted; cardiac rehabilitation; cardiac resuscitatio... |