| PSA | parasternal short axis; pleomorphic salivary gland adenoma; polyethylene sulfonic acid; polysacchari... |
|---|---|
| PTMA | phenyltrimethylammonium; prothymosin alpha |
| PTPRA | protein-tyrosine phosphatase receptor alpha |
| RARA | retinoic acid receptor alpha |
| RXRA | retinoid X receptor alpha |