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Nature 423, 820 (19 June 2003) | doi:10.1038/423820a

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Neuron 38, 747–758 (2003)The dystroglycan protein is a well-known component of skeletal muscle, where it forms part of a complex that anchors muscle cells to the surrounding environment. Abnormalities in this complex can lead to the muscle-weakening disease muscular dystrophy.