title: [A method of obtaining simultaneous positive and negative electroroentgenograms].
authors.forename: A V
authors.initials: AV
authors.lastname: Shumakov
mesh_terms: D006801:Humans; D013902:Radiography, Thoracic / Q000295:instrumentation / Q000379:methods; D014986:Xeroradiography / Q000295:instrumentation / Q000379:methods*
vernacular_title: Sposob odnovremennogo polucheniia pozitivnoĭ i negativnoĭ élektrorentgenogramm.