title: Undiagnosed diseases in an aging population. Pulmonary embolism and bronchopneumonia.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001344:Autopsy; D001996:Bronchopneumonia / Q000175:diagnosis; D002423:Cause of Death; D005260:Female; D006801:Humans; D008297:Male; D011655:Pulmonary Embolism / Q000175:diagnosis