title: It's too early for the shunt debate.
authors.affiliation: Pulmonary Division, University of Alberta.
authors.forename: Richard L
authors.initials: RL
authors.lastname: Jones
mesh_terms: D015308:Anaerobic Threshold / Q000502:physiology; D000818:Animals; D004285:Dogs; D004452:Echocardiography; D006801:Humans; D010101:Oxygen Consumption / Q000502:physiology; D011652:Pulmonary Circulation / Q000502:physiology*; D011659:Pulmonary Gas Exchange