| BaS | barium swallow |
|---|---|
| DS | dead air space; dead space; deep sedative; deep sleep; defined substrate; dehydroepiandrosterone sul... |
| WS | Waardenburg syndrome; ward secretary; Warkany syndrome; Warthin-Starry [stain]; water soluble; water... |
| MSWYE | modified sea water yeast extract |
| SBH | sea-blue histiocyte |