312,094 UPDATE Update on safety : International Assembly on the Clinical safety of ten years of use of nonionic con­ trast media May 5-7, 1993 StThomas, United States Virgin Islands / guest eds. Robert. L. Siegle, Peter Dawson. - [Philadelphia : J.B. Lippincott Co. , 1993]. - [4], 100 s. : il. , wykr. ; 28 cm (Investigative Radiology, ISSN 0020-9996 ; vol. 28 suppl.5)