title: A low cost endoscopic sclerotherapy needle.
mesh_terms: D002404:Catheterization / Q000191:economics / Q000295:instrumentation*; D003365:Costs and Cost Analysis; D004724:Endoscopy; D004932:Esophageal and Gastric Varices / Q000628:therapy*; D006801:Humans; D012597:Sclerosing Solutions / Q000008:administration & dosage*
chemical_list: D012597:Sclerosing Solutions