| rt-PA | recombinant tissue-Plasminogen Activator = Alteplase |
|---|---|
| IFLrA | recombinant human leukocyte interferon A |
| rAT-P | recombinant antitrypsin Pittsburgh |
| rBCG | recombinant bacille Calmette-Guerin [vaccine] |
| rDNA | recombinant (or ribosomal) deoxyribonucleic acid |