title: [Diurnal variations of the viscosity of bronchial secretions in chronic bronchitis].
mesh_terms: D000368:Aged; D001991:Bronchitis / Q000503:physiopathology*; D002908:Chronic Disease; D002940:Circadian Rhythm; D004548:Elasticity; D006801:Humans; D008875:Middle Aged; D012212:Rheology; D013183:Sputum / Q000032:analysis; D014783:Viscosity
vernacular_title: Variations diurnes de la visco-elasticite des secretions bronchiques chez le bronchitique chronique