| PSA | parasternal short axis; pleomorphic salivary gland adenoma; polyethylene sulfonic acid; polysacchari... |
|---|---|
| PSC | patient services coordination; Porter-Silber chromogen; posterior subcapsular cataract; primary scle... |
| PSRO | Professional Standards Review Organization |
| QAP | quality assurance program or professional; quinine, atabrine, and pamaquine |