ArticlesSpecial Article A PANUM INCUBATOR WITM IMPORTANT MODIFICATIONS See allHide authors and affiliations Science 12 Jul 1912:Vol. 36, Issue 915, pp. 61-62DOI: 10.1126/science.36.915.61 Leo F. RettgerFind 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.