Objective to investigate the hypotensive effect, tolerance, trough to peak ratio and side-effect of lacidipine on the patients with essential hypertension.

目的观察拉西地平的降压效应、耐受性、谷峰比值及不良反应。

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The unemployment rate has dropped more than 40% of the way back to its pre-recession level, but the employment-to-population ratio is closer to its trough than its pre-recession peak.

FORBES: Unemployment Rate Down As Americans Give Up On Work