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a) The small animal phantoms consisted of two pieces of half-round tissue-equivalent bolus material, a plastic holder, and a piece of EBT Gafchromic film sandwiched between the bolus pieces. This approximately resembled a head of size 2×2×2 cm, attached to a body 3.5 cm long and 3 cm in diameter. b) Irradiation jig loaded with phantoms in the recommended irradiation positions with respect to the source position.
