title: Biochemical characteristics affecting the consistency of bronchial secretions.
mesh_terms: D000111:Acetylcysteine / Q000494:pharmacology; D001980:Bronchi / Q000187:drug effects / Q000378:metabolism*; D004247:DNA / Q000032:analysis; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D013183:Sputum / Q000032:analysis / Q000378:metabolism*
chemical_list: D004247:DNA; D000111:Acetylcysteine