| RSTS | retropharyngeal soft tissue space |
|---|---|
| RTG-2 | rainbow trout gonadal tissue cells |
| rTPA/rtPA | recombinant tissue plasminogen activator |
| rt-PA | recombinant tissue plasminogen activator |
| STC | serum theophylline concentration; soft tissue calcification; stroke treatment center; subtotal colec... |