News & Comment Bick Replacement Named Science 03 Aug 1990:Vol. 249, Issue 4968, pp. 475DOI: 10.1126/science.249.4968.475 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 249, Issue 496803 August 1990 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)