Neonatal Marfan syndrome with congenital arachnodactyly, flexion contractures, and severe cardiac valve insufficiency. - Buntinx,I.M.; Willems,P.J.; Spitaels,S.E.; Van Reempst,P.J.; De Paepe,A.M.; Dumon,J.E. (J Med Genet, 1991)