title: Sleep-disordered breathing: a common problem in chronic obstructive pulmonary disease.
mesh_terms: D001158:Arteries; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D010100:Oxygen / Q000097:blood; D012119:Respiration; D012890:Sleep / Q000502:physiology*; D012894:Sleep Stages / Q000502:physiology
chemical_list: D010100:Oxygen