title: Point:Counterpoint: Gravity is/is not the major factor determining the distribution of blood flow in the human lung.
authors.forename: Susan R
authors.initials: SR
authors.lastname: Hopkins
authors.forename: G Kim
authors.initials: GK
authors.lastname: Prisk
mesh_terms: D000818:Animals; D003952:Diagnostic Imaging; D006112:Gravitation; D006801:Humans; D008863:Microspheres; D011652:Pulmonary Circulation / Q000502:physiology*