Abstract:Notice is hereby given of the retraction of the article specified below. This retraction is the free initiative of the authors of the said article. The authors declare that this article constitutes reportage on recently published articles appeared in the Brazilian scientific press and therefore contains no newly published results. It was written for the information of readers of Sao Paulo Medical Journal. It is retracted because as a consequence of an honest error, it was not prepared in observance of good pra… Show more
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