Resumen de Erratum to: One of the most used epidemiological designs: cross-sectional study
João Luiz Dornelles Bastos, Rodrigo Pereira Duquia
In the print edition of Scientia Medica 2007, volume 17, issue 4, pages 229-232, the article "One of the most used epidemiological designs: cross-sectional study" has two misspelled formulas on page 231. In the online version of the journal, volume 17, issue 4, 2007, the original file was replaced by the corrected file.
