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分配隐藏
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分配隐藏
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医学
随机化
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Allocation concealment
分配隐藏
在临床试验过程中,采用一定的方法对研究对象进行分组,使医师(研究者)和患者自己(研究对象)都不知道试验组或对照组的分配情况。
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Treaty of Nanking
Treaty of Nerchinsk
Treaty of Neuilly
Treaty of Non-Aggression between Republic of China and USSR
Treaty of Non-Aggression Between Soviet Union and Germany
Treaty of Nystad
Treaty of Paris(1763)
Treaty of Paris(1783)
Treaty of Peace and Amity between United States and Tripoli
Treaty of Peace and Capitulations between France and Tunis
Treaty of Peace and Commerce between France and Morocco
Treaty of Peace and Commerce between France and Tunis
Treaty of Peace and Commerce between Great Britain and Tunis
Treaty of Peace,Friendship and Cooperation Between the Repu blic of India and the Union of Soviet Socialist Republics
Treaty of Peace,Friendship,Limits and Settlement between the United States of America and the Mexican Republic
Treaty of Perpetual Peace and Friendship between China and Great Britain
Treaty of Portsmouth
Treaty of Rapallo
Treaty of Rarotonga
Treaty of Saint-Germain
Treaty of San Stefano
Treaty of Security and Safeguard Between Japan and UnitedStates
Treaty of Segowlee/ Sugauli
Treaty of Shimonoseki
Treaty of Sèvres
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