| OORR | orbicularis oculi reflex response |
|---|---|
| PLR | pupillary light reflex |
| PTR | patellar tendon reflex; patient termination record; patient to return; peripheral total resistance; ... |
| QSART | quantitative sudomotor axon reflex testing |
| RAS | rapid atrial stimulation; recurrent aphthous stomatitis; reflex activating stimulus; reliability, av... |