title: About changes in the X-rayed frog heart.
mesh_terms: D000818:Animals; D001001:Anura; D006321:Heart / Q000000981:diagnostic imaging*; D011859:Radiography; D011898:Ranidae; D014965:X-Rays
keywords: HEART/roentgenography; ROENTGEN RAYS/in frogs
vernacular_title: Ueber Veränderungen am röntgenbestrahlten Froschherzen.