524,114 ACTIVATION Activation of macrophages. Proceedings of the Second Workshop Conference Hoechst, Schloss Reisensburg,25-26 October, 1973. Ed. W.-H. Wagner, H.Hahn. Co-ed. R. Evans. Amsterdam 1974 Excerpta Medica,New York, American Elsevier Publishing Co. In. 8° s. XI, nlb. 1, 346, tabl. 2, ilustr. Workshop Conferences Hoechst-vol. 2. Excerpta Medica International Congress Series no 325.