2000, Number 4

Contents

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Artículos originales

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Defaecation pattern in seven species of triatomines (Insecta, Reduviidae) present in México

Benjamín Nogueda-Torres; Ricardo Alejandre-Aguilar; Luis Isita-Tornell; Camacho, Alejandro D

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Comparison of two culture media for selective isolation and membrane filter enumeration of Pseudomonas aeruginosa in water

Tsoraeva, Anna; Rodríguez Martínez, Claudio

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Development and characterization of a mixed nutrient base for the culture of a wide Range of microorganisms

Tsoraeva, Anna; Zhurbenko, Raisa

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Leukocytes and reticulocytes counts in acute infection of dogs with Trypanosoma evansi (Steel, 1885) Balbiani, 1888

Mario Luiz de la Rue; Roberto Aguilar Machado Santos Silva; José Henrique Souza da Silva; Geraldo Attilio De Carli

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Isolation of enterobacteria, Azotobacter sp. and Pseudomonas sp., producers of indole-3-acetic acid and siderophores, from colombian rice rhizosphere

M Torres; S Valencia; J Bernal-Castillo; P Martínez

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Colonization of supports by methanogenic and sulfate reducing bacteria in anaerobic filter-type reactors

Roberto Vidal Alvarez; Estrella Aspé; Homero Urrutia

Artículo de revisión

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Cation/Proton Exchangers in Yeast.

Ramírez, Jorge; Peña, Antonio