| 1 | Most medical experts recommend obtaining such a test every six months. | |
| 2 | But medical experts caution against the belief that it is a surefire cure. | |
| 3 | Some medical experts believe she may even be dreaming about, but it is clear the brain is active. | |
| 4 | But medical experts say doctors and patients are pushing the limits of their old joints too far. | |
| 5 | Over the years, historians and medical experts have tried to explain the cause of Poe's death. |