| QR | NAD(P)H-quinone oxidoreductase |
|---|---|
| QR | Quinone reductase |
| QRA | Quantitative Risk Assessment |
| QRDR | quinolone resistance determining region |
| QRS D | QRS duration |
| QRT-PCR | Quantitative reverse transcriptase-polymerase chain reaction |
| QRT-PCR | Quantitative reverse transcription polymerase chain reaction |