Problems in the definition of holoprosencephaly

Authors

  • M. Michael Cohen Jr

    Corresponding author
    1. Departments of Oral and Maxillofacial Sciences, Pediatrics, Community Health and Epidemiology, Health Services Administration, and Sociology and Social Anthropology, Dalhousie University, Halifax, Nova Scotia, Canada
    • Dalhousie University, Halifax, Nova Scotia, Canada B3H 3J5.
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