Roberto Contreras

Roberto Contreras (December 12, 1928 – July 18, 2000) was an American actor best known for playing Pedro in the TV western series ''The High Chaparral''. His film and television career spanned nearly 40 years from 1954 to 1993, including featured roles in ''Topaz'' and ''Scarface''.

He played the bartender in “Heritage of Anger” S2 E37 of Have Gun Will Travel 6-6-59.

The son of director Jaime Contreras, he was born on December 12, 1928, in St. Louis, Missouri. He is also the father of actor Luis Contreras. Contreras died on July 18, 2000, in Los Angeles, California. Provided by Wikipedia
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  1. 1
    Collusion in a Bertrand duopoly model with decreasing returns and product differentiation

    Collusion in a Bertrand duopoly model with decreasing returns and product differentiation by Roberto Contreras

    Published 2016-04-01
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  2. 2
    Identidad urbana y folklore

    Identidad urbana y folklore by Roberto Contreras Vaccaro

    Published 2001-07-01
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  3. 3
    Influence of “El Niño Southern Oscillation” periods on plant density of Hoffmannseggia aphylla (Fabaceae) an endangered species

    Influence of “El Niño Southern Oscillation” periods on plant density of Hoffmannseggia aphylla (Fabaceae) an endangered species by Felipe Carevic, Roberto Contreras

    Published 2023-06-01
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  4. 4
    Colusión en un duopolio de bertrand con rendimientos decrecientes y productos diferenciados

    Colusión en un duopolio de bertrand con rendimientos decrecientes y productos diferenciados by Roberto Contreras, Nikolaos Georgantzis, Miguel Ginés

    Published 2008-01-01
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  5. 5
    Buen trato a la infancia: deriva semántica en la producción científica publicada en Latinoamérica

    Buen trato a la infancia: deriva semántica en la producción científica publicada en Latinoamérica by Roberto Contreras-Ramírez, Maribel Vega-Arce

    Published 2016-01-01
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  6. 6
    Los microsatélites revelan una alta diferenciación genética entre las poblaciones nativas de Geoffroea decorticans en el desierto de Atacama chileno

    Los microsatélites revelan una alta diferenciación genética entre las poblaciones nativas de Geoffroea decorticans en el desierto de Atacama chileno by Roberto Contreras, Vincenzo Porcile, Fernanda Aguayo

    Published 2019-06-01
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  7. 7
    Patient satisfaction and quality of emergency dental care in Chilean public health services

    Patient satisfaction and quality of emergency dental care in Chilean public health services by Roberto Contreras-Ramírez, Giselle Davis-Toledo, Loreto Nuñez-Franz

    Published 2018-06-01
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  8. 8
    Development of SSR loci in Prosopis tamarugo Phillipi and assessment of their transferability to species of the Strombocarpa section

    Development of SSR loci in Prosopis tamarugo Phillipi and assessment of their transferability to species of the Strombocarpa section by Roberto Contreras-Díaz, Felipe S. Carevic, Vincenzo Porcile, Mariana Arias-Aburto

    Published 2020-11-01
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  9. 9
    Genetic Characterization of an Endangered Chilean Endemic Species, <i>Prosopis burkartii</i> Muñoz, Reveals its Hybrids Parentage

    Genetic Characterization of an Endangered Chilean Endemic Species, <i>Prosopis burkartii</i> Muñoz, Reveals its Hybrids Parentage by Roberto Contreras, Liesbeth van den Brink, Boris Burgos, Marlene González, Sandra Gacitúa

    Published 2020-06-01
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  10. 10
    COVID-19: a hypothesis regarding the ventilation-perfusion mismatch

    COVID-19: a hypothesis regarding the ventilation-perfusion mismatch by Mario G. Santamarina, Dominique Boisier, Roberto Contreras, Martiniano Baque, Mariano Volpacchio, Ignacio Beddings

    Published 2020-07-01
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  11. 11
    Comparative analysis of the complete mitogenome of Geoffroea decorticans: a native tree surviving in the Atacama Desert

    Comparative analysis of the complete mitogenome of Geoffroea decorticans: a native tree surviving in the Atacama Desert by Roberto Contreras-Díaz, Felipe S. Carevic, Liesbeth van den Brink, Liesbeth van den Brink

    Published 2023-08-01
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  12. 12
    Structure, gene composition, divergence time and phylogeny analysis of the woody desert species Neltuma alba, Neltuma chilensis and Strombocarpa strombulifera

    Structure, gene composition, divergence time and phylogeny analysis of the woody desert species Neltuma alba, Neltuma chilensis and Strombocarpa strombulifera by Roberto Contreras-Díaz, Felipe S. Carevic, Liesbeth van den Brink, Wilson Huanca-Mamani, Patrick Jung

    Published 2024-06-01
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  13. 13
    Chloroplast genome of Tillandsia landbeckii Phil. (Bromeliaceae) a species adapted to the hyper-arid conditions of the Atacama and Peruvian desert

    Chloroplast genome of Tillandsia landbeckii Phil. (Bromeliaceae) a species adapted to the hyper-arid conditions of the Atacama and Peruvian desert by Julio César Chávez-Galarza, Steffany Cardenas-Ninasivincha, Roberto Contreras, Rubén Ferro-Mauricio, Wilson Huanca-Mamani

    Published 2021-12-01
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  14. 14
    Chloroplast genome of Tillandsia marconae till & Vitek (Bromeliaceae), a hyperarid desert endangered species

    Chloroplast genome of Tillandsia marconae till & Vitek (Bromeliaceae), a hyperarid desert endangered species by Julio César Chávez-Galarza, Stefanny Cardenas-Ninasivincha, Roberto Contreras, Rubén Ferro-Mauricio, Wilson Huanca-Mamani

    Published 2021-09-01
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  15. 15
    Synthesis of MnO2 on activated carbon and its potential application in the adsorption of As(V) and Pb(II) in aqueous solutions

    Synthesis of MnO2 on activated carbon and its potential application in the adsorption of As(V) and Pb(II) in aqueous solutions by Roberto Contreras-Bustos, E. Manríquez-Reza, Jaime Jiménez-Becerril, Melania Jimenez-Reyes, Bibiana Cercado-Quezada

    Published 2017-06-01
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  16. 16
    Chloroplast genome structure and phylogeny of Geoffroea decorticans, a native tree from Atacama Desert

    Chloroplast genome structure and phylogeny of Geoffroea decorticans, a native tree from Atacama Desert by Roberto Contreras-Díaz, Felipe S. Carevic, Wilson Huanca-Mamani, Rómulo Oses, Mariana Arias-Aburto, María Navarrete-Fuentes

    Published 2022-11-01
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  17. 17
    Combined electrolytic iron dissolution and ozonation process for arsenic removal from water

    Combined electrolytic iron dissolution and ozonation process for arsenic removal from water by Roberto Contreras-Bustos, María Elena Quezada González, Bibiana Cercado, Jaime Jiménez-Becerril, Marcos J. Solache-Ríos

    Published 2024-01-01
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  18. 18
    COVID-19: What Iodine Maps From Perfusion CT can reveal—A Prospective Cohort Study

    COVID-19: What Iodine Maps From Perfusion CT can reveal—A Prospective Cohort Study by Mario G. Santamarina, Dominique Boisier Riscal, Ignacio Beddings, Roberto Contreras, Martiniano Baque, Mariano Volpacchio, Felipe Martinez Lomakin

    Published 2020-10-01
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  19. 19
    Repression of Mitochondrial Citrate Synthase Genes by Aluminum Stress in Roots of Secale cereale and Brachypodium distachyon

    Repression of Mitochondrial Citrate Synthase Genes by Aluminum Stress in Roots of Secale cereale and Brachypodium distachyon by Diaa Abd El-Moneim, Roberto Contreras, Javier Silva-Navas, Francisco Javier Gallego, Ana M. Figueiras, Cesar Benito

    Published 2022-04-01
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  20. 20
    COVID-19 pneumonia: Perfusion abnormalities shown on subtraction CT angiography in apparently well-ventilated lungs. A prospective cohort study

    COVID-19 pneumonia: Perfusion abnormalities shown on subtraction CT angiography in apparently well-ventilated lungs. A prospective cohort study by Mario G. Santamarina, Felipe Martinez Lomakin, Ignacio Beddings, Dominique Boisier Riscal, Jose Chang Villacís, Roberto Contreras, Jaime Vidal Marambio, Eduardo Labarca, Jorge Torres, Mariano Volpacchio

    Published 2023-07-01
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