title: [Sputum viscosity and respiratory function in chronic obstructive pulmonary disease].
mesh_terms: D001784:Blood Gas Analysis; D005541:Forced Expiratory Volume; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D008297:Male; D013183:Sputum / Q000378:metabolism*; D014783:Viscosity; D014797:Vital Capacity
vernacular_title: Viscosidad del esputo y función respiratoria en la enfermedad pulmonar obstructiva crónica.