Matches in DBpedia 2016-04 for { ?s ?p "Thorotrast is a suspension containing particles of the radioactive compound thorium dioxide, ThO2, that was used as a radiocontrast agent in medical radiography in the 1930s and 1940s. (Use in some countries, such as the U.S., continued into the 1950s.)Thorium compounds produce excellent images because of thorium's high opacity to X-rays (it has a high cross section for absorption)."@en }
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- Thorotrast comment "Thorotrast is a suspension containing particles of the radioactive compound thorium dioxide, ThO2, that was used as a radiocontrast agent in medical radiography in the 1930s and 1940s. (Use in some countries, such as the U.S., continued into the 1950s.)Thorium compounds produce excellent images because of thorium's high opacity to X-rays (it has a high cross section for absorption).".
- Q423827 comment "Thorotrast is a suspension containing particles of the radioactive compound thorium dioxide, ThO2, that was used as a radiocontrast agent in medical radiography in the 1930s and 1940s. (Use in some countries, such as the U.S., continued into the 1950s.)Thorium compounds produce excellent images because of thorium's high opacity to X-rays (it has a high cross section for absorption).".