Letter from Howard Walter Florey to M Schachter, Physiology Department, University College London, Gower Street Are rewriting book on general pathology - has been much change in views about effects of polypeptides, particularly their vasodilator and permeability induction - Lindor Brown thought Schachter might know of review or small compendium which he might read - is looking for shortest route to current knowledge. 15 November 1960