Research NewsRandom Samples Authors, Authors! Science 25 Nov 1988:Vol. 242, Issue 4882, pp. 1130DOI: 10.1126/science.242.4882.1130-a Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 242, Issue 488225 November 1988 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)