303,774 ANNUAL Annual Congress of the German and the Austrian Society of Hematology and Oncology Düsseldorf, 3-7 October 1996. - [Berlin] : Springer, 1996. - [2], 197 s. ; 28 cm (Annals of Hematology, ISSN 0945-8077 ; suppl. 2 to vol. 73)