297,131 SCIENTIFIC 71st Scientific Assembly and Annual Meeting : Chicago November 17-22, 1985 : including sessions in joint sponsorschip with the American Association of Physicist in Medicine : RSNA scientific program. — [Easton : the Radiological Society of North America, 1985 . — 512 s. ; 29 cm (Radiology, ISSN 0033-8419 ; vol. 157(P), spec, ed.)