| PRI | Pain Rating Index; phosphate reabsorption index; phosphoribose isomerase; placental ribonuclease inh... |
|---|---|
| PRI(S) | pain rating intensity score |
| PSR | pain sensitivity range; perspective surface rendering; portal systemic resistance; proliferative sic... |
| PT | pain threshold; parathormone; parathyroid; paroxysmal tachycardia; part time; patient; pericardial t... |
| PTN | pain transmission neuron; pleiotrophin; posterior tibial nerve |