title: Twenty-eight years of continuous follow-up of patients injected with thorotrast for cerebral angiography.
mesh_terms: D000512:Alpha Particles; D002533:Cerebral Angiography; D003287:Contrast Media / Q000009:adverse effects; D003718:Denmark; D004812:Epidemiologic Methods; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology*; D012737:Sex Factors; D013911:Thorium Dioxide / Q000009:adverse effects*
chemical_list: D003287:Contrast Media; D013911:Thorium Dioxide