title: The lumpers and splitters paradox.
authors.affiliation: Lung and Sleep Medicine, St. Louis, MO.
authors.forename: Anthony M
authors.initials: AM
authors.lastname: Masi
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*