| 1 | Rontgen called these new rays X2rays, which were named Rontgen rays by other scientists in honor of him. | |
| 2 | Rontgen called these new rays X2rays, which were named Rontgen rays by other scientists in honor of him. | |
| 3 | Rontgen called these new rays X2rays, which were named Rontgen rays by other scientists in honor of him. | |
| 4 | These penetrate stone, as well as flesh, so fossil-lovers took to them with enthusiasm. | |
| 5 | The full results of this study on radiofrequency ablation of kidney tumors appear in the August 2007 issue of the American Journal of Roentgenology , published by the American Roentgen Ray Society. |