ULTRASONOGRAPHY 312.941 Ultrasonography today and tomorrow : new developments and contrast media : international meeting 16-17 April 199, Trieste, Italy / guest ed. L. Dalla-Palma. - Berlin : Springer, 1999. - [4], 297-414 s. : il., wykr. ; 28 cm. - (European Radiology, ISSN 0938-7994 ; vol. 9, suppl. 3) Bibliogr. przy ref