title: Letter to the editor: "Postulated functional advantages of a looped as opposed to a linearly arranged heart".
authors.forename: Philip J
authors.initials: PJ
authors.lastname: Kilner
mesh_terms: D003331:Coronary Vessels / Q000502:physiology; D020342:Finite Element Analysis; D006321:Heart / Q000033:anatomy & histology* / Q000502:physiology*; D006339:Heart Rate / Q000502:physiology; D006439:Hemodynamics / Q000502:physiology*; D006801:Humans; D009200:Myocardial Contraction / Q000502:physiology; D012039:Regional Blood Flow / Q000502:physiology