| RHR | Resting Heart Rate |
|---|---|
| RHR | renovascular hypertensive rats |
| RHS | Reactive haemophagocytic syndrome |
| rHSA | Recombinant human serum albumin |
| rhSCF | Recombinant human stem cell factor |
| RHT | Ruthenium hexaammine trichloride |
| RHT | retino-hypothalamic tract |
| rhTGF-beta 1 | Recombinant human transforming growth factor-beta 1 |
| rhTNF | Recombinant human TNF |
| rhTNF | Recombinant human tumour necrosis factor |