| RANKL | Receptor activator of NF-kappa B ligand |
|---|---|
| RANK | Receptor activator of nuclear factor kappaB |
| RANKL | Receptor activator of nuclear factor kappaB ligand |
| r-tPA | Recombinant Tissue-Type Plasminogen Activator |
| rt-PA | Recombinant human tissue plasminogen activator |