title: Chronic obstructive bronchopulmonary disease: patients entubated more than 12 hours.
mesh_terms: D000328:Adult; D000368:Aged; D001982:Bronchial Diseases / Q000628:therapy*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007362:Intensive Care Units; D007442:Intubation, Intratracheal; D008173:Lung Diseases, Obstructive / Q000628:therapy*; D008297:Male; D008875:Middle Aged; D012121:Respiration, Artificial; D013997:Time Factors