title: [Clinical trial of a new anti-rheumatic agent, pyrazolonepyrazolidine derivative].
mesh_terms: D000983:Antipyrine / Q000031:analogs & derivatives; D018501:Antirheumatic Agents; D006801:Humans; D010653:Phenylbutazone / Q000628:therapy*; D012216:Rheumatic Diseases / Q000628:therapy*
chemical_list: D018501:Antirheumatic Agents; D010653:Phenylbutazone; D000983:Antipyrine
keywords: ANTIPYRINE/related compounds; PHENYLBUTAZONE/therapy; RHEUMATISM/therapy