ArticlesAddress OPSONINS AND OTHER ANTIBODIES By Ludvig Hektoen See allHide authors and affiliations Science 12 Feb 1909:Vol. 29, Issue 737, pp. 241-248DOI: 10.1126/science.29.737.241 Ludvig Hektoen 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 above.