Pattern of hypertension in the northern savanna of Nigeria.
D000293:Adolescent; D000328:Adult; D000368:Aged; D006332:Cardiomegaly / Q000209:etiology; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006973:Hypertension / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D012164:Retinal Diseases / Q000209:etiology; D012959:Socioeconomic Factors