Letters Support for DeVita Science 03 Jul 1981:Vol. 213, Issue 4503, pp. 9DOI: 10.1126/science.213.4503.9 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 213, Issue 450303 July 1981 Table of Contents Print Table of Contents Ed Board (PDF) Front Matter (PDF)
