<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://archives.ucl.ac.uk:443/CalmView/record/catalog/PENROSE/2/28/6/5" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Lawler, Sylvia D to Mark S Fraser</dc:title>
  <dc:description>Letters from the Sylvia D Lawler to Mark S Fraser thanking him for the blood serum samples from the Down's syndrome twins and their parents, and providing a summary of findings from the tests.</dc:description>
  <dc:date>Feb 1953</dc:date>
</rdf:Description>