A comparative study of ampicillin, tetracycline hydrochloride, and methacycline hydrochloride in acute exacerbations of chronic bronchitis.
D000328:Adult; D000368:Aged; D000667:Ampicillin / Q000008:administration & dosage*; D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease; D005260:Female; D006193:Haemophilus influenzae / Q000187:drug effects; D006801:Humans; D008297:Male; D008690:Methacycline / Q000008:administration & dosage*; D008875:Middle Aged; D013183:Sputum / Q000382:microbiology; D013291:Streptococcus / Q000187:drug effects; D013492:Suppuration / Q000188:drug therapy; D013752:Tetracycline / Q000008:administration & dosage*
D000667:Ampicillin; D013752:Tetracycline; D008690:Methacycline