| DNB | dinitrobenzene; Diplomate of the National Board [of Medical Examiners]; dorsal nonadrenergic bundle |
|---|---|
| GB | gallbladder; glial bundle; goof balls; Guillain-Barre [syndrome] |
| IBBBB | incomplete bilateral bundle branch block |
| ILBBB | incomplete left bundle branch block |
| IRBBB | incomplete right bundle branch block |