Authors DOI: https://doi.org/10.1590/S0034-89101988000500013 Downloads PDF (Portuguese) Published 1988-10-01 Issue Vol. 22 No. 5 (1988) Section Letters to the editor How to Cite (1988). Revista De Saúde Pública, 22(5), 465-465. https://doi.org/10.1590/S0034-89101988000500013 More Citation Formats ACM ACS APA ABNT Chicago Harvard IEEE MLA Turabian Vancouver AMA Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX