| SFD | silo filler's disease; skin-film distance; small for dates; spectral frequency distribution |
|---|---|
| SFS | serial foveal seizures; skin and fascia stapler; social functioning schedule; spatial frequency spec... |
| SG | Sachs-Georgi [test]; salivary gland; serum globulin; serum glucose; signs; skin graft; soluble gelat... |
| SGR | Sachs-Georgi reaction; Shwartzman generalized reaction; skin galvanic reflex; submandibular gland re... |
| SHEENT | skin, head, eyes, ears, nose, and throat |