title: Reply to "letter to the editor: a return to the venous return controversy: a visual aid for combatants'".
authors: Daniel A
authors: DA
authors: Beard
authors: Eric O
authors: EO
authors: Feigl
mesh_terms: D000818:Animals; D001775:Blood Circulation; D006439:Hemodynamics; D006801:Humans; D008955:Models, Cardiovascular; D014680:Veins / Q000502:physiology*
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