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The instantaneous wave-free ratio ... We aimed to evaluate whether iFR is noninferior to FFR with respect to the rate of ... hazard ratio, 1.12; 95% CI, 0.79 to 1.58; P=0.53); the upper limit of ...

The slightly higher uncertainty of the instantaneous rate of the GMSL change (from ±0.6 mm yr −1 during 1993 to ±0.4 mm yr −1 during 2014) ...

Understanding Differentiation . Watch all ten videos and take the quizzes to earn your certificate. Video 1: Introduction to the Derivative. In the Introduction to the Derivative video we introduce ...