312,094 PROCEEDINGS Proceedings of the Contrast Medica Research Symposium Sydney and Hamilton Island, Australia October 8-13, 1989 / [guest ed. Milos Sovak]. - Philadelphia : Publ. by J.B.Lippincott Co., [1990]. - 8, 168 s. : il., wykr. ; 28 cm (Investigative Radiology, ISN 0020-9996; vol. 25, suppl. 1)