Authors DOI: https://doi.org/10.1590/S0034-89101983000500007 Downloads PDF (Portuguese) Published 1983-10-01 Issue Vol. 17 No. 5 (1983) Section Letters to the editor How to Cite (1983). Revista De Saúde Pública, 17(5), 413-417. https://doi.org/10.1590/S0034-89101983000500007 More Citation Formats ACM ACS APA ABNT Chicago Harvard IEEE MLA Turabian Vancouver AMA Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX