UNDERWOOD R. 306,213 ADVANCES Advances in ultrasound for the evaluation of corona­ ry disease : stress echocardiography and intravascu- lar Doppler 22-23 January 1994, Berlin, Germany / L. Ryd 6n and R. Underwood. - [London etc. : W.B. Saun­ ders Co. Ltd., 1995], - IV, 91 s. s i l . , wykr. ; 28 cm (European Heart Journal, ISSN 0195-668X ; vol. 16, suppl. J)