A61K 51/1203

Preparations containing radioactive substances for use in therapy or testing in vivo characterised by a special physical form, e.g. emulsion, microcapsules, liposomes {, characterized by a special physical form, e.g. emulsions, dispersions, microcapsules in a form not provided for by groups [CPC: A61K51/1206] - [CPC: A61K51/1296], e.g. cells, cell fragments, viruses, virus capsides, ghosts, red blood cells, viral vectors}