<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/JHG/9/17/68" 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 Haefely to J H Gaddum</dc:title>
  <dc:description>Describes current state of substance P research -- mentions difficulties in determining the chemical structure -- would like to hear about Gaddum's anti-strychnine substance.</dc:description>
  <dc:date>8 January 1964</dc:date>
</rdf:Description>