Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleOrigin of the Supernumerary Chromosome in Trisomy 21.AuthorsMattei, J.-F.; Mattei, M.-G.; Ayme, S.; Giraud, F.PublicationClinical Genetics, 1978, Vol 14, Issue 5, p302ISSN0009-9163Publication typeArticleDOI10.1111/j.1399-0004.1978.tb02183.x