Tibben A, Vegter-vd Vlis M, Skraastad M I, Leeuwen-Cornelisse I S, Frets P G, vd Kamp J J, Niermeijer M F, von Ommen G J, Roos R A, Rooijmans H G
Department of Neurology, University Hospital Leiden, The Netherlands.
Birth Defects Orig Artic Ser. 1992;28(1):127-31.