| NPP | nitrophenylphosphate; normal pool plasma; nucleus tegmenti pedunculopontinus |
|---|---|
| OPP | osmotic pressure of plasma; oxygen partial pressure |
| PAA | partial agonist activity; phenylacetic acid; phosphonoacetic acid; physical abilities analysis; plas... |
| PAC | papular acrodermatitis of childhood; parent-adult-child; pericarditis-arthropathy-camptodactyly [syn... |
| PAO | peak acid output; peripheral airway obstruction; plasma amine oxidase; polyamine oxidase; pulmonary ... |