Sputum liquefiers.
D000111:Acetylcysteine / Q000494:pharmacology; D000336:Aerosols / Q000494:pharmacology*; D002918:Chymotrypsin / Q000494:pharmacology; D005100:Expectorants / Q000494:pharmacology*; D006801:Humans; D013183:Sputum / Q000187:drug effects*; D013501:Surface-Active Agents / Q000494:pharmacology; D014357:Trypsin / Q000494:pharmacology
D000336:Aerosols; D005100:Expectorants; D013501:Surface-Active Agents; D002918:Chymotrypsin; D014357:Trypsin; D000111:Acetylcysteine