| PFR | parotid flow rate; peak flow rate |
|---|---|
| PS | pacemaker syndrome; paired stimulation; paradoxical sleep; paraspinal; parasympathetic; Parkinson sy... |
| RAF | Receptor Accessory Factor |
| ACF | accessory clinical findings; acute care facility; anterior cervical fusion; area correction factor; ... |
| ACP | accessory conduction pathway; acid phosphatase; acyl carrier protein; American College of Pathologis... |