We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe 49,XXXXY syndrome: clinical and psychological findings in five patients.AuthorsCurfs LM; Schreppers-Tijdink G; Wiegers A; Borghgraef M; Fryns JPPublicationJournal of mental deficiency research, 1990, Vol 34 ( Pt 3), p277ISSN0022-264xPublication typearticleDOI10.1111/j.1365-2788.1990.tb01539.x