%0 Journal Article %T Estimation of Entrance Surface Air Kerma in Digital Radiographic Examinations %A Kaushik, Chanchal %A Sandhu, Inderjeet Singh %A Srivastava, A K %A Chitkara, Mansi %J Radiation Protection Dosimetry %V Advance Article %P 1-1 %@ 0144-8420 %D 2021-03-04 %I Oxford University Press %~ DeepDyve