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Effects of amlodipine on myocardial infarction in trials comparing other antihypertensive drugs [7,8,9,10,11,12,13]. Blue squares represent treatment-to-control odds ratios in the trials; their size is proportional to the number of events. The 95% confidence intervals (CIs) for individual trials are denoted by lines, while those for pooled odds ratios are denoted by diamonds. CCB, calcium channel blocker; RAS, renin-angiotensin system.
