| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Gallium Radioisotopes | 100 | + | |
| 2 | Iodine Radioisotopes | 90 | + | |
| 3 | Selenium Radioisotopes | 86 | + | |
| 4 | Carbon Radioisotopes | 53 | + | |
| 5 | Indium Radioisotopes | 50 | + | |
| 6 | Fluorine Radioisotopes | 49 | + | |
| 7 | Cadmium Radioisotopes | 44 | + | |
| 8 | Yttrium Radioisotopes | 20 | + | |
| 9 | Chromium Radioisotopes | 17 | + | |
| 10 | Thallium Radioisotopes | 16 | + | |
| 11 | Tritium | 13 | + | |
| 12 | Nitrogen Radioisotopes | 11 | + | |
| 13 | Calcium Radioisotopes | 11 | + | |
| 14 | Cobalt Radioisotopes | 10 | + | |
| 15 | Copper Radioisotopes | 9 | + | |
| 16 | Phosphorus Radioisotopes | 8 | + |