Patel, N P Study of scattered radiation for in-air calibration by a multiple-distance method using ionization chambers and an HDR 192Ir brachytherapy source. [electronic resource] - The British journal of radiology Apr 2006 - 347-52 p. digital Publication Type: Journal Article ISSN: 0007-1285 Standard No.: 10.1259/bjr/54848398 doi Subjects--Topical Terms: Brachytherapy--methodsCalibrationHumansIridium RadioisotopesRadiotherapy DosageRadiotherapy, High-Energy--methodsScattering, Radiation