Authors DOI: https://doi.org/10.1590/S0034-89101967000200010 Downloads PDF (Portuguese) Published 1967-11-30 Issue Vol. 1 No. 2 (1967) Section Abstracts How to Cite (1967). Revista De Saúde Pública, 1(2), 217-220. https://doi.org/10.1590/S0034-89101967000200010 More Citation Formats ACM ACS APA ABNT Chicago Harvard IEEE MLA Turabian Vancouver AMA Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX