| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Iodine Radioisotopes | 100 | + | |
| 2 | Xenon Radioisotopes | 60 | + | |
| 3 | Thallium Radioisotopes | 41 | + | |
| 4 | Tritium | 36 | + | |
| 5 | Carbon Radioisotopes | 31 | + | |
| 6 | Sodium Radioisotopes | 21 | + | |
| 7 | Phosphorus Radioisotopes | 20 | + | |
| 8 | Fluorine Radioisotopes | 18 | + | |
| 9 | Indium Radioisotopes | 16 | + | |
| 10 | Cobalt Radioisotopes | 15 | + | |
| 11 | Calcium Radioisotopes | 15 | + | |
| 12 | Nitrogen Radioisotopes | 14 | + | |
| 13 | Gallium Radioisotopes | 12 | + | |
| 14 | Iridium Radioisotopes | 11 | + | |
| 15 | Krypton Radioisotopes | 8 | + | |
| 16 | Ruthenium Radioisotopes | 8 | + | |
| 17 | Yttrium Radioisotopes | 8 | + | |
| 18 | Rubidium Radioisotopes | 8 | + | |
| 19 | Chromium Radioisotopes | 7 | + | |
| 20 | Oxygen Radioisotopes | 6 | + | |
| 21 | Radioactive Tracers | 6 | + | |
| 22 | Gold Radioisotopes | 6 | + | |
| 23 | Strontium Radioisotopes | 5 | + | |
| 24 | Iron Radioisotopes | 4 | + |