Clinical trial of bromhexine in severe chronic bronchitics during winter.
D000368:Aged; D000814:Aniline Compounds / Q000008:administration & dosage / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D005100:Expectorants / Q000008:administration & dosage / Q000627:therapeutic use*; D005452:Fluoresceins; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D012621:Seasons; D013147:Spirometry; D013183:Sputum; D014050:Toluene; D014797:Vital Capacity
D000814:Aniline Compounds; D005100:Expectorants; D005452:Fluoresceins; D010919:Placebos; D014050:Toluene