title: Methacycline: a clinical and bacteriological evaluation in respiratory system infections.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000667:Ampicillin / Q000627:therapeutic use; D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003023:Cloxacillin / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D008690:Methacycline / Q000009:adverse effects / Q000627:therapeutic use; D008875:Middle Aged; D012141:Respiratory Tract Infections / Q000188:drug therapy*; D013752:Tetracycline / Q000627:therapeutic use
chemical_list: D000900:Anti-Bacterial Agents; D000667:Ampicillin; D013752:Tetracycline; D008690:Methacycline; D003023:Cloxacillin