A CD45 polymorphism associated with abnormal splicing is absent in African populations - Tchilian, E; Dawes, R; Ramaley, P; Whitworth, J; Yuldasheva, N; Wells, R; Watera, C; French, N; Gilks, C; Kunachiwa, W; Ruzibakiev, R; Leetrakool, N; et al. (2002)