title: The "paradox" issue.
authors.affiliation: Emory University, Atlanta, GA.
authors.forename: Nancy
authors.initials: N
authors.lastname: Collop
mesh_terms: D000403:Airway Resistance / Q000502:physiology*; D035081:Editorial Policies; D006801:Humans; D010506:Periodicals as Topic; D012107:Research Design / Q000706:statistics & numerical data*; D012119:Respiration; D012893:Sleep Wake Disorders / Q000503:physiopathology*