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Coexistence of haemophilia A and von Willebrand's disease in the same kindred

A clinical and laboratory investigation of a kindred in which haemophilia A and autosomal recessive von Willebrand's disease (VWD) were concomitantly present is described. 3 male patients were shown to be hemizygotes for moderate haemophilia A, one female appeared to be haemophilia A carrier and 3 males showed laboratory findings consistent with heterozygosity for autosomal recessive VWD. In one woman, the pedigree and laboratory findings suggest the possibility of double heterozygosity.

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