Are active dwell positions always necessary in the ring/ovoids channel of the cervical applicator in the intracavitary-interstitial brachytherapy of cervical cancer? - Fröhlich, Georgina; Vízkeleti, Júlia; Nguyen, Anhhong; Polgár, Csaba; Takácsi-Nagy, Zoltán; Major, Tibor (Journal of Contemporary Brachytherapy, 2023)