Phomtum, D., Charoenphun, P., Thongklam, K., Rittinak, A., Vittayachokkitikhun, S., Dangpraset, M. and Chuamsaamarkkee, K. 2022. Determination of volume-specific correction factors and geometry effects of 90Y activity measurement in dose calibrators. Journal of Associated Medical Sciences. 56, 1 (Dec. 2022), 182–186.