Molecular characterization of severe haemophilia A suggests that about half the mutations are not within the coding regions and splice junctions of the factor VIII gene - Higuchi, M; Kazazian, HH; Kasch, L; Warren, TC; McGinniss, MJ; Phillips, JA; Kasper, C; Janco, R; Antonarakis, SE (Proc Natl Acad Sci USA, 1991)