title: Reply: Types of sleep apnea in patients with heart failure: a spectrum of disease severity or separate entities.
authors: T Douglas
authors: TD
authors: Bradley
authors: Takatoshi
authors: T
authors: Kasai
mesh_terms: D000403:Airway Resistance; D002245:Carbon Dioxide / Q000502:physiology*; D006333:Heart Failure / Q000503:physiopathology*; D006801:Humans; D008297:Male; D020182:Sleep Apnea, Central / Q000503:physiopathology*; D020181:Sleep Apnea, Obstructive / Q000503:physiopathology*
chemical_list: D002245:Carbon Dioxide