Helicobacter pylori infection and early onset myocardial infarction: case-control and sibling pairs study.
OBJECTIVES: To examine the association between coronary heart disease and chronic Helicobacter pylori infection. DESIGN: Case-control study of myocardial infarction at young ages and study of sibling pairs with one member affected and the other not. SETTING: United Kingdom. PARTICIPANTS: 1122 survivors of suspected acute myocardial infarction at ages 30-49 (mean age 44 years) and 1122 age and sex matched controls with no history of coronary heart disease; 510 age and sex matched pairs of sib...Expand abstract
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