1. The rheological factor in mucociliary clearance;Adler;J. Lab. Clin. Med.,1976
2. In vitro estimation of tracheal mucous velocity: Comparison of a solid and a liquid marker;Ahmed;Bull. europ. Physiopath. resp.,1980
3. Mucociliary clearance rates at various levels in dog lungs;Asmundsson;Am. Rev. Respir. Dis.,1970
4. In vivo and in vitro ciliotoxin effects of tobacco smoke;Dalhamn;Arch. Environ. Health,1970
5. The ciliary movement of the trachea studied in-vitro: A measure of toxicity;Hill;Lancet,1928