| RBS | random blood sugar; Roberts syndrome; Rutherford backscattering |
|---|---|
| S&A | sickness and accident [insurance]; sugar and acetone |
| SAD | Scale of Anxiety and Depression; seasonal affective disorder; Self-Assessment Depression [scale]; se... |
| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |
| TSI | thyroid stimulating immunoglobulin; triple sugar iron [agar] |