プロの翻訳者、企業、ウェブページから自由に利用できる翻訳レポジトリまで。
o estudo foi aprovado no comitê de Ética em pesquisa da ufrgs.
the study was approved by the ethics in research committee of universidade federal do rio grande do sul ufrgs under no.19832, in agreement with resolution 196/96 of the brazilian national health council.