| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Talliumradioisotoper | 100 | + | |
| 2 | Kväveradioisotoper | 49 | + | |
| 3 | Jodradioisotoper | 32 | + | |
| 4 | Fosforradioisotoper | 10 | + | |
| 5 | Iridiumradioisotoper | 9 | + | |
| 6 | Syrgasradioisotoper | 7 | + | |
| 7 | Strontiumradioisotoper | 7 | + | |
| 8 | Tennradioisotoper | 5 | + | |
| 9 | Radioaktiva spårämnen | 5 | + | |
| 10 | Rubidiumradioisotoper | 5 | + | |
| 11 | Indiumradiosotoper | 4 | + | |
| 12 | Kolradioisotoper | 3 | + | |
| 13 | Yttriumradioisotoper | 3 | + | |
| 14 | Tritium | 2 | + |