First Italian families with homozygous R854Q type 2 N von Willebrand disease.
D000328:Adult; D002648:Child; D005192:Family Health; D005260:Female; D006720:Homozygote; D006801:Humans; D007558:Italy; D008297:Male; D017354:Point Mutation; D014842:von Willebrand Diseases / Q000235:genetics*