<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/JHG/9/17/50" 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 Pletscher to J H Gaddum</dc:title>
  <dc:description>Informs Gaddum that Hoffmann-La Roche is not selling Substance P -- names researchers to whom samples have been given as Stern, N Matussek, and B Penrow.</dc:description>
  <dc:date>9 November 1959</dc:date>
</rdf:Description>