retraction ring - RPET
- reversed splitting of S2
- reversed three sign
- reversible
- reversible colloid
- reversible hydrocolloid
- reversible ischemic neurologic deficit
- reversible obstructive airway disease
- reversible posterior leukoencephalopathy
- reversible posterior leukoencephalopathy syndrome
- reversible pulpitis
- reversible reaction
- reversion
- Reversol
- revert
- revertant
- Revex
- ReVia
- review
- Revilliod
- Revilliod sign
