300.494 WORLD XVII World Congress on Diseases of the Chest June 13-18, 1993 - Amsterdam, The Netherlands : scientific highlights, abstracts of original investigations. - Northbrook : American College of Cest Physicians, 1993. - [6], 151-326 s. : 27 cm (Chest, ISSN 0012-3692 ; vol. 103, no. 3, suppl.)