title: A double-blind comparative trial of 'parazolidin' and paracetamol.
mesh_terms: D000082:Acetaminophen / Q000627:therapeutic use*; D000293:Adolescent; D000328:Adult; D000368:Aged; D001416:Back Pain / Q000188:drug therapy; D002986:Clinical Trials as Topic; D004551:Elbow Joint; D005260:Female; D005356:Fibromyalgia / Q000188:drug therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000188:drug therapy; D010653:Phenylbutazone / Q000627:therapeutic use*; D052256:Tendinopathy / Q000188:drug therapy
chemical_list: D000082:Acetaminophen; D010653:Phenylbutazone