| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Jodradioisotoper | 100 | + | |
| 2 | Tritium | 56 | + | |
| 3 | Galliumradioisotoper | 48 | + | |
| 4 | Indiumradiosotoper | 35 | + | |
| 5 | Kolradioisotoper | 26 | + | |
| 6 | Kväveradioisotoper | 23 | + | |
| 7 | Fluorradioisotoper | 20 | + | |
| 8 | Kromradioisotoper | 20 | + | |
| 9 | Yttriumradioisotoper | 11 | + | |
| 10 | Talliumradioisotoper | 10 | + |