1. Comparative mucolytic studies on dithiothreitol, N-acetylcysteine and L-cysteine on human respiratory mucus in vitro and their effects on the rate of flow of mucus in the exposed trachea of the rat on topical application;Lightowler;Achs, int. Pharmacodyn. Ther.,1971
2. The reduction in vitro in viscosity of muco-protein solutions by a new mucolytic agent, N-acetyl-L-cysteine;Scheffner;Ann. N. Y. Acad. Sci.,1963
3. Wirkung von Bromhexin-Metabolit VIII und einem neuen adrenergen Stoff auf die Mucociliäre Funktion des Respirationstraktes;Iravani;Arzneim.-Forsch.,1974
4. Sputum liquefying agent: A comparative in vitro evaluation;Hirsch;J. Lab. clin. Med.,1969
5. Drug effects on electrical activities of the canine tracheal ciliated cells;Yanaura;J. Pharm. Dyn.,1979