| RSTS | retropharyngeal soft tissue space |
|---|---|
| SES | Society of Eye Surgeons; socioeconomic status; spatial emotional stimulus; sphenoethmoidal suture; s... |
| SM | Master of Science; sadomasochism; self-monitoring; silicon microphysiometer; simple mastectomy; skim... |
| SOL | solution; space-occupying lesion |
| sp | space; species; specific; spine, spinal; spirit |