Diagnostic preparations for medical purposes; biological preparations for medical purposes for the detection, gathering analysis, and treatment of colon, and digestive track and gastro-intestinal diseases, cancer, constipation, and disorders; medicines for human purposes, namely, medicines in the form of radiopaque markers, laxatives, and suppositories for use in the detection, analysis, and treatment of colon, and digestive gastro-intestinal track diseases, cancer, constipation, and disorder...