| BULL | buccal or upper lingual of lower |
|---|---|
| ISR | information storage and retrieval; Institute for Sex Research; Institute of Surgical Research; insul... |
| RES | Reticulo-Endothelial System |
| ol | res oleoresin |
| RES | radionuclide esophageal scintigraphy; reticuloendothelial system |