Evaluation of monthly variations in electrometer calibration coefficients using a charge generator for radiation therapy(タイトル和訳中), Kawashima Motohiro;Varnava Maria;Ozawa Shuichi;Higuchi Hiromitsu;Hoshino Yoshihiko;Tashiro Mutsumi, 2024年09月, Radiological Physics and Technology, 17, 3, 770