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                            | 2839 - Vol. 38 / 
Ed 1 /
                                   in 1972 |  |  
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                            | Section: Trabalhos Originais | Pages: 49 to 55 |  |  |  |  
              
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                    | Authors: |  
                    | Nicanor Letti, Moacyr Saffer,
 Rudolf Lang,
 Valdomiro J. Zanette*,
 Edgar Arruda Filho,
 Sérgio Moussalle,
 Luiz Carlos Faleiro,
 Alcione Souto*
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                    | Indexations: MEDLINE, Exerpta Medica, Lilacs (Index Medicus Latinoamericano), SciELO (Scientific Electronic Library Online) CAPES: Qualis Nacional A, Qualis Internacional C
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