| RPI | regional perfusion index; relative percentage index; reticulocyte production index, ribose 5-phospha... |
|---|---|
| VI | Roman numeral six; vaginal irrigation; variable interval; vastus intermedius; virgo intacta; virulen... |
| ARE | active-resistive exercises; AIDS-related encephalitis |
| DAPRE | daily adjustable progressive resistive exercise |
| MRE | maximal resistive exercise; maximal respiratory effectiveness |