| RRE | radiation-related eosinophilia |
|---|---|
| sPLM | sleep-related periodic leg movements |
| SR | sarcoplasmic reticulum; saturation recovery; scanning radiometer; screen; secretion rate; sedimentat... |
| SRBD | sleep-related breathing disorder |
| SRD | service-related disability; Society for the Relief of Distress; Society for the Right to Die; sodium... |