Factor, S. H; Schillinger, J. A; Kalter, H. D; Saha, S; Begum, H; Hossain, A; Hossain, M; Dewitt, V; Hanif, M; Khan, N; Perkins, B; Black, R. E; Schwartz, B(2001)
Factor, S. H; Schillinger, J. A; Kalter, H. D; Saha, S; Begum, H; Hossain, A; Hossain, M; Dewitt, V; Hanif, M; Khan, N; Perkins, B; Black, R. E; Schwartz, B(2002)