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Schmidt, E. E., K. Ichimura, K. R. Messerle, H. M. Goike, and V. P. Collins. Infrequent Methylation of CDKN2A(MTS1/p16) and Rare Mutation of Both CDKN2A and CDKN2B(MTS2/p15) in Primary Astrocytic Tumours. Nature Publishing Group, 1997.

Schmidt, E. E., et al. Infrequent Methylation of CDKN2A(MTS1/p16) and Rare Mutation of Both CDKN2A and CDKN2B(MTS2/p15) in Primary Astrocytic Tumours. Nature Publishing Group, 1997.