| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Calcium Radioisotopes | 100 | + | |
| 2 | Strontium Radioisotopes | 30 | + | |
| 3 | Tritium | 14 | + | |
| 4 | Iodine Radioisotopes | 6 | + | |
| 5 | Tin Radioisotopes | 5 | + | |
| 6 | Phosphorus Radioisotopes | 3 | + | |
| 7 | Gallium Radioisotopes | 3 | + | |
| 8 | Indium Radioisotopes | 3 | + | |
| 9 | Fluorine Radioisotopes | 2 | + | |
| 10 | Lead Radioisotopes | 2 | + | |
| 11 | Carbon Radioisotopes | 2 | + | |
| 12 | Yttrium Radioisotopes | 2 | + | |
| 13 | Sodium Radioisotopes | 2 | + | |
| 14 | Potassium Radioisotopes | 1 | + | |
| 15 | Radioactive Tracers | 1 | + | |
| 16 | Zinc Radioisotopes | 1 | + | |
| 17 | Sulfur Radioisotopes | 1 | + | |
| 18 | Iron Radioisotopes | 1 | + | |
| 19 | Thallium Radioisotopes | 1 | + | |
| 20 | Copper Radioisotopes | 1 | + | |
| 21 | Chromium Radioisotopes | 1 | + |