"Limit of science or knowledge" has become a serious and important scientific topic recently and has stimulated wide-ranging study and discussion.

“科学或知识的极限”在近年已成为一个严肃而重要的科学话题，在国内外学界引起了广泛的研究与讨论。

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Objectives: This dose-ranging study evaluated the antihypertensive efficacy and tolerability of aliskiren in patients with mild-to-moderate hypertension.

目的：本研究是评估阿利克伦在轻中度高血压患者中的有效及耐受剂量范围。

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The season can now be expected to arrive a week and a half earlier than it did in the mid 1970s, the wide-ranging study of plant and animal behaviour found.

对植物和动物行为的广泛研究发现，较20世纪70年代中期，此季节现在比预期提前了一周半。

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But in France, the home of literary theory, and Germany, the fatherland of textual analysis, free-ranging study of the Koran continues.

ECONOMIST: Muslims and the Koran

In a dose-ranging study presented at the American College of Cardiology in March, patients who received the top 120 milligram dose of ETC-1002 saw their LDL decrease by a still-respectable 27%.

FORBES: As Companies Abandon Cholesterol, An Old Player Re-Emerges

According to results of this new study, the wide-ranging effects of lengthy malpractice claims until resolution likely contributes to the costly practice of defensive medicine, impacting not only the economy, but patients as well.

FORBES: Medical Malpractice: Broken Beyond Repair?