| RPI | regional perfusion index; relative percentage index; reticulocyte production index, ribose 5-phospha... |
|---|---|
| RPPR | red cell precursor production rate |
| SPS | scapuloperoneal syndrome; shoulder pain and stiffness; simple partial seizures; slow-progressive sch... |
| TPR | temperature, pulse, and respiration; testosterone production rate; third party reimbursement; total ... |
| UPD | urinary production |