title: Current (1981) status of the Danish Thorotrast study.
mesh_terms: D003102:Colloids; D003287:Contrast Media / Q000009:adverse effects*; D003718:Denmark; D005260:Female; D006801:Humans; D008297:Male; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology; D012106:Research; D013911:Thorium Dioxide / Q000009:adverse effects*
chemical_list: D003102:Colloids; D003287:Contrast Media; D013911:Thorium Dioxide