ABSTRACTS 305.261 Abstracts of papers to be presented at American Association of Blood Banks : 50th Annual Meeting [Denver, Colorado] October 18-22, 1997. - [Bethesda : The American Association of Blood Banks], 1997. - [2], 142 s. ; 30 cm. - (Transfusion, ISSN 0041-1132 ; vol. 37,nr 9 suppl.)