| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Jodradioisotoper | 100 | + | |
| 2 | Talliumradioisotoper | 62 | + | |
| 3 | Tritium | 44 | + | |
| 4 | Xenonradioisotoper | 43 | + | |
| 5 | Kolradioisotoper | 34 | + | |
| 6 | Galliumradioisotoper | 25 | + | |
| 7 | Fluorradioisotoper | 22 | + | |
| 8 | Koboltradioisotoper | 18 | + | |
| 9 | Indiumradiosotoper | 17 | + | |
| 10 | Fosforradioisotoper | 17 | + | |
| 11 | Kväveradioisotoper | 17 | + | |
| 12 | Radioaktiva spårämnen | 15 | + | |
| 13 | Kromradioisotoper | 14 | + | |
| 14 | Iridiumradioisotoper | 14 | + | |
| 15 | Kalciumradioisotoper | 13 | + | |
| 16 | Natriumradioisotoper | 12 | + | |
| 17 | Ruteniumradioisotoper | 9 | + | |
| 18 | Yttriumradioisotoper | 9 | + | |
| 19 | Guldradioisotoper | 7 | + | |
| 20 | Strontiumradioisotoper | 7 | + | |
| 21 | Kryptonradioisotoper | 5 | + | |
| 22 | Rubidiumradioisotoper | 4 | + | |
| 23 | Syrgasradioisotoper | 4 | + | |
| 24 | Järnradioisotoper | 2 | + |