| SDL | serum digoxin level; speech discrimination level |
|---|---|
| SSD | shaded surface display; single saturating dose; Social Security disability; source-skin distance; so... |
| SRT | sedimentation rate test; simple reaction time; sinus node recovery time; sitting root test; speech r... |
| ADT | Accepted Dental Therapeutics; adenosine triphosphate; admission, discharge, transfer; agar-gel diffu... |
| DP | data processing; deep pulse; definitive procedure; degradation product; degree of polymerization; de... |