WESOŁOWSKI J, NOWICKI A, TOPOLSKA B, PAWLICKI G, FILIPCZYŃSKI L, PAŁKO T, et al. Estimation of the collateral circulation index (CCI) in the lower extremities using the impedance rheography and ultrasonic methods. Arch. Acoust. [Internet]. 1984 Jun. 30 [cited 2026 Feb. 25];9(1-2):191-8. Available from: https://acoustics.ippt.pan.pl/index.php/aa/article/view/3212