Extremely radioactive metal present in very low quantities in uranium ore, it is used mainly in medicine to treat cancer. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source / QA International |
Bildgröße: | 2956 px × 2956 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |