title: Ring chromosome 12 with inverted microduplication of 12p13.3 involving the Von Willebrand Factor gene associated with cryptogenic stroke in a young adult male.
authors.forename: Serena
authors.initials: S
authors.lastname: Nik-Zainal
authors.forename: Paul E
authors.initials: PE
authors.lastname: Cotter
authors.forename: Lionel R
authors.initials: LR
authors.lastname: Willatt
authors.forename: Kristin
authors.initials: K
authors.lastname: Abbott
authors.forename: Eoin W
authors.initials: EW
authors.lastname: O'Brien