ABSTRACTS 311.033 Abstracts from the 71st Scientific Sessions Dallas Convention Center Dallas, Texas November 8-11, 1998 / [Rose Marie Robertson chair et al]. - [Baltimore : by Lippincott Williams and Wilkins], 1998. - [26], 1016 s. ; 29 cm. - (Circulation, ISSN 0009-7322 ; vol.98, nr 17,suppl.)