[Studies on changes in the surface tension of the sputum and its clinical significance in bronchial asthma].
D000328:Adult; D000368:Aged; D001249:Asthma; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010447:Peptide Hydrolases / Q000494:pharmacology; D013183:Sputum; D013500:Surface Tension; D013501:Surface-Active Agents / Q000494:pharmacology
D013501:Surface-Active Agents; D010447:Peptide Hydrolases