Authors DOI: https://doi.org/10.1590/S0034-89101993000100012 Downloads PDF (Portuguese) Published 1993-02-01 Issue Vol. 27 No. 1 (1993) Section Erratum How to Cite (1993). Revista De Saúde Pública, 27(1), 0-0. https://doi.org/10.1590/S0034-89101993000100012 More Citation Formats ACM ACS APA ABNT Chicago Harvard IEEE MLA Turabian Vancouver AMA Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX