| RB | radiation burn; rating board; rebreathing; reticulate body; retinoblastoma; right bronchus; right bundle |
|---|---|
| Rb | retinoblastoma; rubidium |
| Rb | Imp rubber base impression |
| RBA | relative binding affinity; rescue breathing apparatus; right basilar artery; right brachial artery; rose bengal antigen |
| RBAP | repetitive bursts of action potential |
| RBAS | rostral basilar artery syndrome |
| RBB | right bundle branch |
| RBBB | Right Bundle Branch Block |
| RBBB | right bundle-branch block |
| RBBP | retinoblastoma binding protein |