| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Yttriumradioisotoper | 100 | + | |
| 2 | Galliumradioisotoper | 86 | + | |
| 3 | Jodradioisotoper | 36 | + | |
| 4 | Indiumradiosotoper | 34 | + | |
| 5 | Kopparradioisotoper | 25 | + | |
| 6 | Fluorradioisotoper | 18 | + | |
| 7 | Talliumradioisotoper | 6 | + | |
| 8 | Tritium | 3 | + | |
| 9 | Kolradioisotoper | 2 | + |