| Regenerative Biomaterials |
Journal |
| Regenerative Medicine Research |
Journal |
| Regional Science and Urban Economics |
Journal |
| Regional Studies |
Journal |
| Rehabilitation Research and Practice |
Journal |
| Remote Sensing in Ecology and Conservation |
Journal |
| Reproduction |
Journal |
| Reproduction in Domestic Animals = Zuchthygiene |
Journal |
| Reproductive Biology and Endocrinology : RB&E |
Journal |
| Reproductive Health |
Journal |
| Reproductive Medicine and Biology |
Journal |
| Reproductive Toxicology |
Journal |
| Research and Reports in Urology |
Journal |
| Research in Cardiovascular Medicine |
Journal |
| Research in developmental disabilities |
Journal |
| Research Policy |
Journal |
| Research Synthesis Methods |
Journal |
| Respiratory Medicine Case Reports |
Journal |
| Respiratory Research |
Journal |
| Respirology |
Journal |