| OS | left eye [Lat. oculus sinister]; occipitosacral; occupational safety; office surgery; Omenn syndrome... |
|---|---|
| PSR | pain sensitivity range; perspective surface rendering; portal systemic resistance; proliferative sic... |
| RWS | radiology work station; ragweed sensitivity |
| sen | sensitive, sensitivity |
| SENS | sensitivity or sensitization; Stewart evaluation of nursing scale |