| SNR | selective nerve root [block]; signal-to-noise ratio; substantia nigra zona reticulata; supernumerary... |
|---|---|
| SNRB | selective nerve root block |
| SPEAR | selective parenteral and enteral anti-sepsis regimen |
| SPV | selective proximal vagotomy; Shope papilloma virus; sulfophosphovanillin |
| SS | disulfide; sacrosciatic; saline soak; saline solution; saliva sample; saliva substitute; Salmonella-... |