| POA-HA | preoptic anterior hypothalamic area |
|---|---|
| PVA | Paralyzed Veterans of America; peripheral venous alimentation; polyvinyl acetate; polyvinyl alcohol;... |
| REA | radiation emergency area; radioenzymatic assay; renal anastomosis; right ear advantage |
| RJA | regurgitant jet area |
| RMA | rapid membrane assay; refuses medical advice; Registered Medical Assistant; relative medullary area;... |