Estudio de la influencia de impurezas en la conductividad eléctrica de apatitas: el caso de CaHAp by R. M. Espinoza

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El Hecho Científico desde la Traducción para su Cognición by Luz M. Espinoza-Vélez

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Ultrastructure of Oryza glumaepatula , a wild rice species endemic of tropical America by Ethel Sánchez, Ana M Espinoza

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A beacon of hope: distribution and current status of the largetooth sawfish in Costa Rica by JA Valerio-Vargas, M Espinoza

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Characterization of a Bacillus thuringiensis strain collection isolated from diverse Costa Rican natural ecosystems by Glen Arrieta, Ana M Espinoza

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Desarrollo de una metodología de enseñanza para el desarrollo humano en psicología de pregrado by María A. Rodríguez, José M. Espinoza

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Ultrastructure of the wild rice Oryza grandiglumis (Gramineae) in Costa Rica by Ethel Sánchez, Tania Quesada, Ana M Espinoza

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Pro-hepcidina, su relación con indicadores del metabolismo del hierro y de inflamación en pacientes hemodializados tratados o no con eritropoyetina recombinante Pro-hepcidin, its r... by Y. Barrios, M. Espinoza, M. A. Barón

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Diversity of Bacillus thuringiensis strains isolated from coffee plantations infested with the coffee berry borer Hypothenemus hampei by Glen Arrieta, Alejandro Hernández, Ana M Espinoza

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Ultrastructural morphologic description of the wild rice species Oryza latifolia (Poaceae) in Costa Rica by Ethel Sánchez, Mayra Montiel, Ana M. Espinoza

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Optimization of coffee (Coffea arabica) transformation parameters using uidA and hpt genes: effect of osmotic pre-treatment, helium pressure and target distance by Andrés M Gatica, Griselda Arrieta, Ana M Espinoza

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Comparison of three in vitro protocols for direct somatic embryogenesis and plant regeneration of coffea arabica l. cvs. caturra and catuaí by Andrés M. Gatica, Griselda Arrieta, Ana M. Espinoza

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Direct somatic embryogenesis in coffea arabica L. CVS. caturra and catuaí: effect of triacontanol, light condition, and medium consistency by Andrés M. Gatica, Griselda Arrieta, Ana M. Espinoza

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Relación de los cultivos modificados genéticamente con el ambiente y la salud de la población costarricense by Ana M Espinoza, Griselda Arrieta-Espinoza, Ana Sittenfeld

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A reliable bioassay procedure to evaluate per os toxicity of Bacillus thuringiensis strains against the rice delphacid, Tagosodes orizicolus (Homoptera: Delphacidae) by Rebeca Mora, Jorge E Ibarra, Ana M Espinoza

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Optimization of coffee (Coffea arabica) transformation parameters using uidA and hpt genes: effect of osmotic pre-treatment, helium pressure and target distance by Andrés M Gatica, Griselda Arrieta, Ana M Espinoza

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Phylogenetic position of the yeast-like symbiotes of Tagosodes orizicolus (Homoptera: Delphacidae) based on 18S ribosomal DNA partial sequences by Ana M Xet-Mull, Tania Quesada, Ana M Espinoza

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Genetic diversity of Costa Rican populations of the rice planthopper Tagosodes orizicolus (Homoptera: Delphacidae) by Myriam Hernández, Tania Quesada, Claudia Muñoz, Ana M Espinoza

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Characterization of culturable bacteria in larval cultures of the Chilean scallop Argopecten purpuratus by F Godoy, M Espinoza, G Wittwer, I Uriarte, C Aranda

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Vegetative and reproductive development of Costa Rican weedy rice compared with commercial rice (Oryza sativa) Comparação do desenvolvimento vegetativo e reprodutivo do arroz-verme... by E. Sánchez-Olquín, G. Arrieta-Espinoza, A.M. Espinoza Esquivel

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