| PFR | parotid flow rate; peak flow rate |
|---|---|
| PG | paregoric; parotid gland; pentagastrin; pepsinogen; peptidoglycan; Pharmacopoeia Germanica; phosphat... |
| plx | plexus |
| PS | pacemaker syndrome; paired stimulation; paradoxical sleep; paraspinal; parasympathetic; Parkinson sy... |
| SVP | selective vagotomy and pyloroplasty; small volume parenteral [infusion]; standing venous pressure; s... |