| Rib | riboflavin; ribose |
|---|---|
| RP | radial pulse; radiopharmaceutical; rapid processing [of film]; Raynaud phenomenon; reactive protein;... |
| R5P | ribose-5-phosphate |
| RPI | regional perfusion index; relative percentage index; reticulocyte production index, ribose 5-phospha... |
| RSP | removable silicone plug; ribose-5-phosphatase; right sacroposterior [fetal position] |