Objective To examine the prevalence of rs1558139 of human CYP4F2 gene and investigate the association between rs1558139 and essential hypertension in Mongolian ethnic.Methods The study included 421 unrelated Mongolian herdsmen(234 essential hypertension patients and 187 controls).Genotyping for rs1558139 was performed using the PCR/ligase detection reaction assay.Results Body mass index(BMI) was significantly different in essential hypertension group in comparison to that of control group in Mongolian ethni...