Ka whakamahia tenei kete mo te rapunga kounga in vitro o te polymorphism o nga ira CYP2C19 CYP2C19*2 (rs4244285, c.681G>A), CYP2C19*3 (rs4986893, c.636G>A), CYP2C19*148 (rs4244285, c.681G>A), CYP2C19*3 (rs4986893, c.636G>A), CYP2C19*148 (rs6019) >T) i roto i te DNA genomic o nga tauira toto katoa o te tangata.