title: Pulmonary resistance and respiratory frequency in chronic airways obstruction.
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008170:Lung Compliance; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D012119:Respiration; D013147:Spirometry