| PAIRS | Pain and Impairment Relationship Scale |
|---|---|
| PAT | Pain Apperception Test; paroxysmal atrial tachycardia; patient; phenylaminotetrazole; physical abili... |
| P&B | pain & burning; phenobarbital and belladonna |
| PCU | pain control unit; primary care unit; patient care unit; pulmonary care unit |
| PDI | pain disability index; periodontal disease index; plan-do integration; psychomotor development index... |