title: Dinucleotide repeat polymorphism at the D21S13E locus.
authors: Oregon Health Sciences University, Portland 97201.
authors: Z
authors: Z
authors: Guo
authors: V
authors: V
authors: Sharma
authors: M
authors: M
authors: Litt
mesh_terms: D001483:Base Sequence; D002891:Chromosomes, Human, Pair 21; D006801:Humans; D008969:Molecular Sequence Data; D016133:Polymerase Chain Reaction; D011110:Polymorphism, Genetic; D012091:Repetitive Sequences, Nucleic Acid