Letters Letter to the Editor By L. J. Bruce-Chwatt, Wolf Wolfensberger See allHide authors and affiliations Science 31 Mar 1967:Vol. 155, Issue 3770, pp. 1617-1618DOI: 10.1126/science.155.3770.1617 L. J. Bruce-Chwatt World Health Organization, Avenue Appia, 1211 Geneva, SwitzerlandFind this author on Google Scholar Find this author on PubMed Search for this author on this site Wolf Wolfensberger Find this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF Article Information vol. 155 no. 3770 1617-1618 DOI: https://doi.org/10.1126/science.155.3770.1617 PubMed: 6020283 Published By: American Association for the Advancement of Science Print ISSN: 0036-8075 Online ISSN: 1095-9203 Copyright & Usage: © 1967 Author Information Altmetric Article usage Article lifetimeLast 6 monthsThis monthArticle usage: August 2007 to August 2020 AbstractFullPdf Aug 2007001 Oct 2007001 Mar 2009001 Jul 2009001 Dec 2011001 Jan 2012001 Feb 2012002 Oct 2012001 Jun 2013001 Sep 2013101 Dec 2013200 Jul 2014300 Sep 2014100 Nov 2014400 Dec 2014001 Mar 2015100 Jun 2015100 Jul 2015100 Aug 2015100 Jan 2016201 Jul 2016001 May 2017002 Aug 2018002 Nov 2018001 Mar 2020001 Aug 2020001 View PDF Extract
Science Vol 155, Issue 377031 March 1967 Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)