title: The radiographic demonstration of the mode of action of the heart of the frog.
authors.forename: G E H
authors.initials: GE
authors.lastname: FOXON
authors.forename: E W
authors.initials: EW
authors.lastname: WALLS
mesh_terms: D000818:Animals; D001001:Anura; D006321:Heart / Q000000981:diagnostic imaging* / Q000502:physiology*; D006801:Humans; D011859:Radiography
keywords: HEART/physiology; HEART/roentgenography