title: Relaxation behavior of sputum studied using the raised cosine pulse method.
mesh_terms: D004548:Elasticity; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D008722:Methods; D008954:Models, Biological; D013183:Sputum / Q000502:physiology*; D013997:Time Factors; D014783:Viscosity