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Porro G, Wittebol-Post D, de Graaf M, van Nieuwenhuizen O, Schenk-Rootlieb AJ, Treffers WF.Porro G, et al.Dev Med Child Neurol. 1998 Aug;40(8):563-7. doi: 10.1111/j.1469-8749.1998.tb15415.x.Dev Med Child Neurol. 1998.PMID: 9746009Free article.
van Beurden EA, de Graaf M, Wendel U, Gitzelmann R, Berger R, van den Berg IE.van Beurden EA, et al.Biochem Biophys Res Commun. 1997 Jul 30;236(3):544-8. doi: 10.1006/bbrc.1997.7006.Biochem Biophys Res Commun. 1997.PMID: 9245685