News & Comment How Safe the Safeguards? + See all authors and affiliations Science 28 Jun 1974:Vol. 184, Issue 4144, pp. 1352DOI: 10.1126/science.184.4144.1352 R. G.Find 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 below.