0.8×1×1.2×1.5×1.7×2×2.5×31 min⚡️38 min31 min26 min21 min18 min15 min12 minIntroduction to Tuberculosis0.8×1×1.2×1.5×1.7×2×2.5×31 min⚡️38 min31 min26 min21 min18 min15 min12 minIntroduction to TuberculosisYour user agent does not support the HTML5 Video element.