| ORF | open reading frame |
|---|---|
| orf | open reading frame |
| RFS | relapse-free survival; renal function study; rotating frame spectroscopy |
| RFT | respiratory function test; rod-and-frame test; right frontotransverse [fetal position] |
| ROESY | rotating frame Overhauser effect spectroscopy |
| ORF 2 | open reading frame |
|---|---|
| ORF 2 | open reading frame 2 |
| ROESY | rotating frame NOE spectroscopy |