In vivo dose estimations through transit signal measured with thimble chamber positioned along the central axis at electronic portal imaging device level in medical linear accelerator in carcinoma of the middle-third esophagus patients undergoing three-dimensional conformal radiotherapy. - Kumar PS; Banerjee S; Arun Kumar ES; Srinivas C; Vadhiraja BM; Saxena PU; Ravichandran R; Kasturi DP (Journal of cancer research and therapeutics, 2018)