21606 ⎘
Preparations containing radioactive substances for use in therapy or testing characterised by a special physical form, e.g. emulsion, microcapsules, liposomes, characterized by a special physical form, e.g. emulsions, dispersions, microcapsules; Dispersions, suspensions, colloids, emulsions, e.g. perfluorinated emulsion, sols Aerosols or breath tests, e.g. administration of gasses, emanators