Study Design. A randomized controlled trial.
研究设计：随机对照试验。
Study Design. A prospective, randomized controlled trial.
前瞻性的随机对照研究。
Study Design. Randomized controlled trial.
研究设计：随机对照试验。
Method: Randomized controlled trial and animal model were applied.
方法：采用随机对照、动物造模的方法。
A Randomized, Controlled Trial of Total Knee Replacement.
全膝关节置换术的随机对照试验。
Study Design: Randomized, controlled trial; Level of evidence, 1.
研究设计：随机对照研究； 循证医学级别，1级。
Study Design: Randomized, controlled trial; Level of evidence, 1.
研究设计：随机对照研究； 循证医学级别，1级。
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