Research News Avoiding the schistosome's tricks + See all authors and affiliations Science 18 Jan 1985:Vol. 227, Issue 4684, pp. 285-287DOI: 10.1126/science.3966154 G KolataFind this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This article has a correction. Please see:Erratum - April 19, 1985 This is a PDF-only article. The first page of the PDF of this article appears below.