2004, Number 3-4

Contents

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Acknowledgment to reviewers

Artículos originales

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Evaluation of the DIRAMIC system for detection of urinary tractinfections and for Escherichia coli identification

Fernando Travieso Ruiz; Gloria Roura Carmona; Cheyla Romay Penabad; Contreras Alarcón, Rolando

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Preliminary characterization of microbial communities in High Altitude Wetlands of Northwestern Argentina by determining terminal restriction fragment length polymorphisms

Marcela Ferrero; María E. Farías; Faustino Siñeriz

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Microwave irradiation for shortening the processing time of samples of flagellated bacteria for scanning electron microscopy

Hernández-Chavarría, Francisco

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Shigella flexneri strains produce bacteriocins active against members of the human microbial intestinal flora

Carlos Padilla; Olga Lobos; Elizabeth Hubert

Artículo de revisión

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Current aspects of Shigella Pathogenesis

Alfredo G. Torres