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Peru: Tuberculosis resistente en personas sin riesgo #PLoS: High Prevalence of Primary Multidrug Resistant Tuberculosis http://t.co/id6s3kWT
Peru: Tuberculosis resistente en personas sin riesgo #PLoS: High Prevalence of Primary Multidrug Resistant Tuberculosis http://t.co/id6s3kWT
Tuberculosis resistente en personas sin riesgo #PLoS: High Prevalence of Primary Multidrug Resistant Tuberculosis http://t.co/oToWnIO3
High Prevalence of Primary Multidrug Resistant Tuberculosis in Persons with No Known Risk Factors http://t.co/VxFNQnTE #GoogleReader