Identification of a CpG mutation in the coagulation factor IX gene by analysis of amplified DNA sequences - Siguret, V; Amselem, S; Vidaud, M; Assouline, Z; Kerbiriou-Nabias, D; Pietu, G; Goossens, M; Larrieu, M J; Bahnak, B; Meyer, D; Lavergne, J M (Br J Haematol, 1988)