Authors DOI: https://doi.org/10.1590/S0034-89101994000600012 Downloads PDF (Portuguese) Published 1994-12-01 Issue Vol. 28 No. 6 (1994) Section Erratum How to Cite (1994). Revista De Saúde Pública, 28(6), 0-0. https://doi.org/10.1590/S0034-89101994000600012 More Citation Formats ACM ACS APA ABNT Chicago Harvard IEEE MLA Turabian Vancouver AMA Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX