A Comparative Study on Diagnostic Accuracy of Colour Coded Digital Images, Direct Digital Images and Conventional Radiographs for Periapical Lesions – An In Vitro Study oleh Abhishek Ranjan Pati, Mubeen, Vijayalakshmi K.R, Sanat Kumar Bhuyan, Rajat G Panigrahi, Smita R Priyadarshini, Satya Ranjan Misra, Chandravir Singh