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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HF/1/3/2/34/13" 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 Howard Walter Florey to M van den Ende, National Institute for Medical Research, Hampstead</dc:title>
  <dc:description>Thanks for notes on typhus cases - says that large enough dose of penicillin was given to see any effect - says Americans have shown some effect on rickettsiae in eggs by injecting penicillin into the eggs - needs very large dose.</dc:description>
  <dc:date>12 May 1944</dc:date>
</rdf:Description>