550,185 INNOVATIONS Innovations in abdominal ultrasound / Norbert Heyder,Eckhart G. Hahn, Barry B. Goldberg eds. -Berlin [etc].Springer-Veri. ,[1992]. - X, 145, [1] s. : il., wykr. ; 24 cm ISBN 3-540-55650-8 Springer-Verl. Berlin [etc.] ISBN 0-387-55650-8 Springer-Veri. New York [etc.]