Letters Letter to the Editor By Donald Kennedy See allHide authors and affiliations Science 07 Jul 1967:Vol. 157, Issue 3784, pp. 6DOI: 10.1126/science.157.3784.6-b Donald KennedyFind this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 157, Issue 378407 July 1967 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)
