title: The role of two-phase flow in bronchial clearance.
mesh_terms: D001980:Bronchi / Q000502:physiology* / Q000503:physiopathology; D001991:Bronchitis / Q000503:physiopathology; D002908:Chronic Disease; D004548:Elasticity; D006801:Humans; D008962:Models, Theoretical; D012123:Pulmonary Ventilation; D012119:Respiration; D012212:Rheology; D013183:Sputum; D014783:Viscosity