| SDD | sporadic depressive disease; sterile dry dressing |
|---|---|
| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |
| SSS | scalded skin syndrome; secondary Sjogren syndrome; sick sinus syndrome; specific soluble substance; ... |
| SSU | self-service unit; sterile supply unit |
| St, st | let it stand [Lat. stet]; let them stand [Lat. stent]; stage [of disease]; status; stere; sterile; s... |