title: Von Willebrand's disease in Ceylon.
mesh_terms: D000293:Adolescent; D000328:Adult; D002675:Child, Preschool; D003018:Clot Retraction; D005260:Female; D006801:Humans; D008297:Male; D010375:Pedigree; D013188:Sri Lanka; D014842:von Willebrand Diseases / Q000175:diagnosis / Q000453:epidemiology*