Variability of microcirculatory resistance index and its relationship with fractional flow reserve in patients with intermediate coronary artery lesions.
Murai T, Lee T, Yonetsu T, Iwai T, Takagi T, Hishikari K, Masuda R, Iesaka Y, Isobe M, Kakuta T. Variability of microcirculatory resistance index and its relationship with fractional flow reserve in patients with intermediate coronary artery lesions. Circ J. 2013; 77(7):1769-76.