title: Clinical evaluation of acetylcysteine in the treatment of patients with chronic obstructive bronchitis: a balanced double-blind trial with placebo control.
mesh_terms: D000111:Acetylcysteine / Q000009:adverse effects / Q000627:therapeutic use*; D000328:Adult; D000368:Aged; D000402:Airway Obstruction / Q000188:drug therapy*; D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D012129:Respiratory Function Tests; D013183:Sputum / Q000187:drug effects
chemical_list: D010919:Placebos; D000111:Acetylcysteine