title: Assay of ipecac and its preparations. II. Collaborative study.
mesh_terms: D000470:Alkaloids / Q000032:analysis; D002845:Chromatography; D004304:Dosage Forms; D004640:Emetine / Q000032:analysis*; D005069:Evaluation Studies as Topic; D007486:Ipecac / Q000032:analysis*; D008722:Methods; D011208:Powders / Q000032:analysis; D011786:Quality Control
chemical_list: D000470:Alkaloids; D004304:Dosage Forms; D011208:Powders; D007486:Ipecac; D004640:Emetine