| Ranibizumab [1] |
| ranking de Duncan [3] |
| Ranking de Duncan [4] |
| Ranking Múltiple de Duncan [1] |
| Raosoft Sample Size Calculator formula [1] |
| Raquis Lumbar [1] |
| raras [1] |
| Rash malar [1] |
| RASTREO [1] |
| Raxela [1] |
| Raza [1] |
| raza [1] |
| Razonable [1] |
| razonamiento [2] |
| Rápida [1] |
| RE [3] |
| Reacción [1] |
| reactivos [1] |
| Readaptación [1] |
| real [1] |