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                            | 2030 - Vol. 53 / 
Ed 2 /
                                   in 1987 |  |  
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                            | Section: Artigos Originais | Pages: 46 to 49 |  |  |  |  
              
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                    | Authors: |  
                    | José Antonio Pinto* Glaura M. Pimentel Ferreira*
 Mauro Knoll*
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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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