RFI

There are multiple definitions:

request for information(English)
- CSR, FYI, IRG, NIH
- Practical shorthand, Organization (management)
renal failure index(English)
- useful index of renal damage
- UCr/SCr
- Nephrology, Ratio-based metric
- https://doi.org…1686-013-0145-7
radiofrequency interference(English)
- RF
- Communication