Deb Asit Ranjan, Sarkar Supriyo, Chakraborty Sudipto, Aich Ranen Kanti, Das Diptimoy, Mitra Debabrata, Gangopadhyay Subir, De Abhijit
Department of Radiotherapy, NRS Medical College and Hospital, Kolkata 700014.
J Indian Med Assoc. 2008 Sep;106(9):604.