| SDM | sensory detection method; standard deviation of the mean |
|---|---|
| SDS | same day surgery; school dental services; self-rating depression scale; sensory deprivation syndrome... |
| SDt | standard deviation of total scores |
| SDU | standard deviation unit; step-down unit |
| SED | sedimentation rate; skin erythema dose; spondyloepiphyseal dysplasia; standard error of deviation; s... |