title: [Oxygen desaturation during sleep in patients with chronic obstructive pulmonary disease].
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D000860:Hypoxia / Q000209:etiology; D008173:Lung Diseases, Obstructive / Q000097:blood*; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood*; D012890:Sleep
chemical_list: D010100:Oxygen