[1]
D. Castro, O. Balboa, A. Lerena, N. Ricciardi, G. Ardao, and P. Matteucci, “Study of 60 obstructive arteriopathies of the lower limbs with ultrasound (Doppler effect)”, Cir. Urug., vol. 52, no. 6, pp. 521–526, Apr. 1982.