| OW | once weekly; open wedge; outer wall; oval window |
|---|---|
| RW | radiological warfare; ragweed; respiratory work; Romano-Ward [syndrome]; round window |
| SPW | subxiphoid pericardial window |
| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |
| SSA | salicylsalicylic acid; sicca syndrome A; skin-sensitizing antibody; skin sympathetic activity; Sjogr... |