title: Pressure gradient in hemodynamics: is it measured in units of pressure?
authors.forename: Aristotle D
authors.initials: AD
authors.lastname: Protopapas
mesh_terms: D001794:Blood Pressure; D006330:Heart Defects, Congenital / Q000503:physiopathology / Q000601:surgery*; D006801:Humans; D011651:Pulmonary Artery / Q000601:surgery*