| DDD | AV universal [pacemaker]; defined daily dose; degenerative disc disease; dehydroxydinaphthyl disulfi... |
|---|---|
| s | Greek lower case letter sigma; conductivity; cross section; millisecond; molecular type or bond; pop... |
| VB | vaginal bulb; valence bond; venous blood; ventrobasal; Veronal buffer; vertebrobasilar; viable birth... |
| BTDS | benzoylthiamine disulfide |
| DSI | deep shock insulin; Depression Status Inventory; disulfide isomerase; Down Syndrome International |