title: Variability, measuring the spice of life.
authors: Frank J
authors: FJ
authors: Jacono
authors: Thomas E
authors: TE
authors: Dick
mesh_terms: D000818:Animals; D018450:Disease Progression; D006706:Homeostasis; D006801:Humans; D015656:Respiratory Mechanics / Q000502:physiology*; D012143:Respiratory Physiological Phenomena; D012140:Respiratory Tract Diseases / Q000503:physiopathology*