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Coppini LZ, Waitzberg DL, Ferrini MT, da Silva ML, Gama-Rodrigues J, Ciosak SL.Coppini LZ, et al. Among authors: waitzberg dl.Rev Assoc Med Bras (1992). 1995 Jan-Feb;41(1):6-10.Rev Assoc Med Bras (1992). 1995.PMID: 7550417Portuguese.