The distribution of red cell blood group systems, including ABO, MNSs, Rh, Kidd, Duffy, Diego, Xg, Lewis and P was investigated on 200 healthy Hakka students whose parents and grandparents are Hakkas too.

• 对父母双方上溯三代均为客家人的广东梅县200名(其中男89人,女111人)健康学生进行了红细胞血型ABO,MNSs,Rh,Kidd,Duffy,Diego,Xg,Lewis及P等系统的分布调查。