title: Summaries for patients. Initial evaluation of rectal bleeding in young persons: a cost-effectiveness analysis.
mesh_terms: D000328:Adult; D000367:Age Factors; D001003:Anal Canal; D001466:Barium Sulfate; D003113:Colonoscopy / Q000191:economics; D015179:Colorectal Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000191:economics; D003362:Cost-Benefit Analysis; D003661:Decision Support Techniques; D016099:Endoscopy, Gastrointestinal / Q000191:economics*; D004733:Enema / Q000191:economics*; D006471:Gastrointestinal Hemorrhage / Q000191:economics / Q000209:etiology*; D006801:Humans; D008390:Markov Chains; D008875:Middle Aged; D012002:Rectal Diseases / Q000191:economics / Q000209:etiology*; D012680:Sensitivity and Specificity; D012812:Sigmoidoscopy / Q000191:economics
chemical_list: D001466:Barium Sulfate