<qa>  What is the role of dual phase helical CT in assessing respectability of cari5. Kumaran V, Gulati MS, Paul SB, Pande GK, Sahni P, Chattopadhyay TK. The role of dual phase helical CT in assessing respectability of carinoma of the gall bladder. Eur Radiol 2002;12:1993-99. 