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<rdf:Description rdf:about="https://archives.ucl.ac.uk:443/CalmView/record/catalog/PENROSE/2/20/10/10" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Correspondence with Kurt Hirschhorn</dc:title>
  <dc:description>Correspondence between Kurt Hirschhorn and Penrose, consisting of 6 letters, regarding the parental ages in cases of Down's syndrome and Klinefelter syndrome investigated by Hirschhorn.</dc:description>
  <dc:date>Feb 1962 - Jun 1962</dc:date>
</rdf:Description>