| rec | fresh [Lat. recens]; recessive; recombinant chromosome; record; recovery; recurrence, recurrent |
|---|---|
| RGI | recovery from growth inhibition |
| RQ | recovery quotient; [Hazardous Substance] Reportable Quantities [List]; reportable quantity; respirat... |
| RTRR | return to recovery room |
| SFR | screen filtration resistance; stroke with full recovery |