News & CommentHealth Matters Impurities under Finger-Nails Science 10 Oct 1890:Vol. ns-16, Issue 401, pp. 205DOI: 10.1126/science.ns-16.401.205-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 ns-16, Issue 40110 October 1890 Table of Contents Print Table of Contents Back Matter (PDF) Front Matter (PDF)
