Authors DOI: https://doi.org/10.1590/S0034-89101990000500001 Downloads PDF (Portuguese) Published 1990-10-01 Issue Vol. 24 No. 5 (1990) Section Editor Note How to Cite (1990). Revista De Saúde Pública, 24(5), 347-347. https://doi.org/10.1590/S0034-89101990000500001 More Citation Formats ACM ACS APA ABNT Chicago Harvard IEEE MLA Turabian Vancouver AMA Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX