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  1. Choosing Fighting Competitors Among Men: Testosterone, Personality, and Motivations

    Article • Evolutionary Psychology, January 2018, SAGE Publications

    Javier I. Borráz-León , Dr. Javier I. Borráz-León

  2. Testosterone level changes after perceiving the body odour of a possible rival in human males: the role of facial symmetry

    Article • Behaviour, January 2017, Brill

    Javier I. Borráz-León , Dr. Javier I. Borráz-León

  3. Steroid Hormones and Facial Traits in The Recognition of A Potential Rival in Men

    Article • Ethology, July 2014, Wiley

    Javier I. Borráz-León , Dr. Javier I. Borráz-León