298,303 ABSTRACTS Abstracts from the 61st Scientific Sessions Washington Convention Center November 14-17, 1988. -Dallas : The American Heart Association, 1988. -[26], 775, [1] s. ; 28 cm (Circulation Monograph / AHA ; nr 14) (Circulation, ISSN 0009-7322 ; P. 2, vol. 78, nr 4, suppl. 2) ISBN 0-87493-263-7