<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HF/1/19/5/9/94" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter from E Lester Smith, Glaxo Laboratories, Greenford to Howard Walter Florey</dc:title>
  <dc:description>Has repurified a small amount of highly radioactive vitamin B12 - gave sample to Dr Turnbull for Turnbull to deliver to Florey - ampoule contains slightly more than two micrograms.</dc:description>
  <dc:date>30 March 1954</dc:date>
</rdf:Description>