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