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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HF/1/3/5/1/59" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Fleming's reply to Charles E Frosst and Co</dc:title>
  <dc:description>Is not a practical proposition to send crude penicillin - penicillin is unstable until dried and activity would disappear in transit - not difficult to make penicillin - is sending culture and formula for medium - method of extraction not yet published.</dc:description>
  <dc:date>15 April 1941</dc:date>
</rdf:Description>