| sem | one-half [Lat. semis]; semen, seminal |
|---|---|
| DST | 1) Donor Specific Transfusion 2) Dexamethasone Suppression Test |
| ADS | acute death syndrome; acute diarrheal syndrome; Alcohol Dependence Scale; alternative delivery syste... |
| AID | acquired immunodeficiency disease; acute infectious disease; acute ionization detector; Agency for I... |
| BD | barbital-dependent; barbiturate dependence; base deficit; base of prism down; basophilic degeneratio... |