Bromhexine.
D000403:Airway Resistance; D000814:Aniline Compounds; D000818:Animals; D001249:Asthma / Q000188:drug therapy; D001980:Bronchi / Q000378:metabolism; D001991:Bronchitis / Q000188:drug therapy; D003371:Cough / Q000188:drug therapy; D004361:Drug Tolerance; D005100:Expectorants; D006801:Humans; D008854:Microscopy, Electron; D013147:Spirometry; D013183:Sputum / Q000378:metabolism; D013997:Time Factors; D014050:Toluene; D014783:Viscosity
D000814:Aniline Compounds; D005100:Expectorants; D014050:Toluene