Ngwa a na-emetụta in vitro qualitative nchọpụta nke polymorphism nke CYP2C9*3 (rs1057910, 1075A>C) na VKORC1 (rs9923231, -1639G>A) na genomic DNA nke mmadụ dum ọbara samples.
A na-eji ngwa a maka nchọpụta qualitative in vitro nke polymorphism nke mkpụrụ ndụ ihe nketa CYP2C19 CYP2C19 * 2 (rs4244285, c.681G>A), CYP2C19 * 3 (rs4986893, c.636G>A), CYP2C19, 240.6 (c. > T) na DNA genomic nke ihe nlele ọbara mmadụ dum.
A na-eji ngwa a maka nchọpụta qualitative nke DNA na subtypes antigen leukocyte mmadụ HLA-B*2702, HLA-B*2704 na HLA-B*2705.
A na-eji ngwa a chọpụta saịtị ngbanwe abụọ nke mkpụrụ ndụ MTHFR.Ngwa ahụ na-eji ọbara mmadụ dum dị ka ihe nlele ule iji nye nlebanya qualitative nke ọnọdụ mmụgharị.Ọ nwere ike inyere ndị dọkịta aka chepụta atụmatụ ọgwụgwọ dabara adaba maka njirimara dị iche iche nke onye ọ bụla site na ọkwa molekụla, iji hụ na ahụike nke ndị ọrịa ruo oke.