The present application relates to antibodies which bind specifically to chelated radionuclides, including bispecific antibodies. It further relates to the use of such bispecific antibodies in applications such as radioimmunoimaging and radioimmunotherapy. It additionally relates to clearing agents and compositions useful in such methods.本申請案係關於特異性結合於螯合型放射核種之抗體,包括雙特異性抗體。其進一步關於此類雙特異性抗體用於諸如放射免疫成像及放射免疫療法之應用中的用途。其另外關於可用於此類方法之清除劑及組合物。