Beta-blockers for unstable angina

To assess the effect of beta-blockers for treatment of unstable angina compared with other therapy or placebo.

Specific comparisons will be made between beta-blockers with or without cardioselectivity, beta-blockers with or without intrinsic sympathomimetic activity, and beta-blockers with or without alpha1-adrenoceptor blockade. In addition, lipophilic and hydrophilic beta-blockers will be compared.

This is a protocol.

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