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1 Possible Causes for Severe Psychomotor Retardation (IQ: 35-65

  • Dyggve-Melchior-Clausen Syndrome

    Dyggve-Melchior-Clausen syndrome without mental retardation (Smith-McCort dysplasia) (SM) has clinical and radiographic findings similar to those of Dyggve-Melchior-Clausen syndrome (DMC) except for mental retardation. Iliac crest biopsies from two patients with SM were examined. The lace-like appearance of the iliac[…][ncbi.nlm.nih.gov]

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