"kubugwana uku kwo fara mafhungo nga u angaredza a u lafha ha u lingedza clinical trials mafhungo o teaho a u lafha ha u lingedza hune vha khou humbula u shela mulenzhe khaho kana hune vha khou kungiwa uri vha shele mulenzhe khaho vha o a ewa na u wana kha vhaoisisi vha u lingedza"