News & Comment SCIENTIFIC NOTES AND NEWS See allHide authors and affiliations Science 05 May 1944:Vol. 99, Issue 2575, pp. 361-364DOI: 10.1126/science.99.2575.361 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.
Science Vol 99, Issue 257505 May 1944 Table of Contents Print Table of Contents Back Matter (PDF) Front Matter (PDF)