Continuous suppressive antimicrobial treatment in chronic infected bronchitis during the winter months.
D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease / Q000188:drug therapy; D006193:Haemophilus influenzae / Q000187:drug effects; D006801:Humans; D007251:Influenza, Human / Q000188:drug therapy; D010919:Placebos; D012621:Seasons; D013296:Streptococcus pneumoniae / Q000187:drug effects; D013426:Sulfaphenazole / Q000627:therapeutic use*; D013752:Tetracycline / Q000627:therapeutic use*
D010919:Placebos; D013426:Sulfaphenazole; D013752:Tetracycline