On the origin of chromosome anomaly.
Magenis
R E
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Department of Medical Genetics, Oregon Health Sciences University, Portland 97201.
D002869:Chromosome Aberrations; D002871:Chromosome Banding; D025063:Chromosome Disorders; D002891:Chromosomes, Human, Pair 21; D004314:Down Syndrome / Q000235:genetics*; D006801:Humans