title: A case of congenital factor V deficiency.
abstract: A case of Factor V deficiency, the first case in Korea, is reported in a 9-year-old boy whose plasma concentration of Factor V was 6%. He complained of easy bruisability, prolonged bleeding from the mouth after minor trauma and hemarthrosis and flexion contracture of the right knee. His parents are heterozygous (maternal Factor V concentration 52%, paternal 40%).
authors.affiliation: Department of Pediatrics, College of Medicine, Seoul National University, Korea.
authors.forename: J W
authors.initials: JW
authors.lastname: Song
authors.forename: M R
authors.initials: MR
authors.lastname: Um
authors.forename: H S
authors.initials: HS
authors.lastname: Ahn
authors.forename: C Y
authors.initials: CY
authors.lastname: Hong
mesh_terms: D002648:Child; D005166:Factor V Deficiency / Q000151:congenital*; D006801:Humans; D008297:Male