O lenei pusa o loʻo faʻaaogaina mo in vitro qualitative suʻesuʻega o le polymorphism o CYP2C19 genes CYP2C19 * 2 (rs4244285, c.681G> A), CYP2C19 * 3 (rs4986893, c.636G> A), CYP2C19 * 148 (rs4244285, c.681G> A), CYP2C19 * 3 (rs4986893, c.636G> A), CYP2C12 * 148 (rs. >T) ile genomic DNA ole toto atoa ole tagata.