some ethnic groups to hypertension. This case–control study was designed to determine the
frequency and association of the angiotensinogen M235T allele with hypertension in
residents of Calabar and Uyo cities, south–south Nigeria. The study involved 1308 subjects,
612 patients and 696 controls. The M235T variant was investigated using an allele specific
polymerase chain reaction and enzymatic digestion to determine allele frequencies …