Walters, T D; Mack, D R; Huynh, H Q; deBruyn, J; Jacobson, K; Otley, A; EL-MATARY, W; Deslandres, C; Sherlock, M; Seidman, E G; Bax, K; Critch, J; Church, P C; Benchimol, E I; Wine, E; Lawrence, S; Van Limbergen, J; Jantchou, P; Carroll, M W; Griffiths, A