title: A between-patient, double-blind comparison of S-carboxymethylcysteine and bromhexine in chronic obstructive bronchitis.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D000368:Aged; D000600:Amino Acids, Dicarboxylic / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D000603:Amino Acids, Sulfur / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D001964:Bromhexine / Q000009:adverse effects / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D005100:Expectorants / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D009325:Nausea / Q000139:chemically induced; D012119:Respiration / Q000187:drug effects; D013147:Spirometry; D013183:Sputum / Q000187:drug effects / Q000378:metabolism; D014783:Viscosity; D014797:Vital Capacity / Q000187:drug effects; D014839:Vomiting / Q000139:chemically induced
chemical_list: D000600:Amino Acids, Dicarboxylic; D000603:Amino Acids, Sulfur; D005100:Expectorants; D001964:Bromhexine