Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Billard, Christian*" or (type exact bookEditor and editor="Billard, Christian*") Add to list Journal Article A1 Modulation of expression of class II histocompatibility antigens by secretion of a cellular inhibitor in K562 leukemic cells Patricia Krief, Claude Boucheix, Christian Billard, Zohar Mishal, Andreas van Agthoven, Walter Fiers and Bruno Azzarone (1987) EUROPEAN JOURNAL OF IMMUNOLOGY. 17(7). p.1021-1025