antimycobacterial activity of medicinal plants used by the mayo people of sonora, mexico. | tuberculosis (tb) is an infectious disease mainly caused by mycobacterium tuberculosis (mtb), which generates 9 million new cases worldwide each year. the mayo ethnicity of southern sonora, mexico is more than 2000 years old, and the mayos possess extensive knowledge of traditional medicine. | 2016 | 27262564 |