title: A triple tetracycline combination.
mesh_terms: D000293:Adolescent; D000328:Adult; D002751:Chlortetracycline / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D003707:Demeclocycline / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012141:Respiratory Tract Infections / Q000188:drug therapy; D013752:Tetracycline / Q000008:administration & dosage*; D014552:Urinary Tract Infections / Q000188:drug therapy
chemical_list: D003707:Demeclocycline; D013752:Tetracycline; D002751:Chlortetracycline