Kozlov, G A [Universal pass-through ionization chamber-filter for therapeutic x-ray apparatus]. [electronic resource] - Meditsinskaia radiologiia Nov 1975 - 72-5 p. digital Publication Type: Journal Article ISSN: 0025-8334 Subjects--Topical Terms: FiltrationHumansRadiotherapy--instrumentationRadiotherapy DosageTechnology, Radiologic--instrumentation