Aryl Hydrocarbon Hydroxylases 1 CYP2C8 1 Chromatography, High Pressure Liquid 1 Cytochrome P-450 Enzyme System 1 DNA Mutational Analysis 1 Gene Frequency 1 Genotype 1 Homozygote 1 Humans 1 Hypertension 1 Malaysia 1 Mutation 1 Polymorphism, Single Nucleotide 1 amino acid substitution 1 article 1 controlled study 1 cysteine 1 cytochrome P450 2C8 1 denaturing high performance liquid chromatography 1 denaturing high performance liquid chromatography (DHPLC) exon 1 gene deletion 1 gene frequency 1 genetic polymorphism 1 genetic variability 1 genotype 1 heterozygosity 1 homozygosity 1 human 1 hypertension 1