| BSB | body surface burned |
|---|---|
| CSI | calculus surface index; cancer serum index; cavernous sinus infiltration; cervical spine injury; che... |
| DRESS | depth-resolved surface-coil spectroscopy |
| ES | ejection sound; elastic stocking; electrical stimulus, electrical stimulation; electroshock; emergen... |
| FOS | fiberoptic sigmoidoscopy; fractional osteoid surface |