| PRT | Penicillium roqueforti toxin; pharmaceutical research and testing; phosphoribosyl transferase; posto... |
|---|---|
| RCI | respiratory control index |
| RCR | relative consumption rate; replication-competent retrovirus; respiratory control ratio |
| RCU | respiratory care unit |
| RD | radial deviation; radiology department; rate difference; Raynaud disease; reaction of degeneration; ... |