Barium contrast agents.
D001466:Barium Sulfate / Q000592:standards*; D002482:Cellulose; D055598:Chemical Phenomena; D011232:Chemical Precipitation; D002627:Chemistry, Physical; D003287:Contrast Media / Q000592:standards*; D005782:Gels; D008854:Microscopy, Electron; D012492:Salts; D013501:Surface-Active Agents
D003287:Contrast Media; D005782:Gels; D012492:Salts; D013501:Surface-Active Agents; D001466:Barium Sulfate; D002482:Cellulose