| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Jodradioisotoper | 100 | + | |
| 2 | Galliumradioisotoper | 31 | + | |
| 3 | Tritium | 30 | + | |
| 4 | Kolradioisotoper | 21 | + | |
| 5 | Indiumradiosotoper | 21 | + | |
| 6 | Kväveradioisotoper | 20 | + | |
| 7 | Talliumradioisotoper | 18 | + | |
| 8 | Fluorradioisotoper | 18 | + | |
| 9 | Kromradioisotoper | 18 | + | |
| 10 | Yttriumradioisotoper | 10 | + |