Article info

Download PDFPDF
Twins and neural tube defects


    Knox EG
    Twins and neural tube defects

    Publication history

    • First published May 1, 1974.
    Online issue publication 
    April 27, 2016

    Request permissions

    If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.