Topical research problems of inflammation and immunology : on the occasion of the 60th birthday of professor Heinz Bekemeier; [papers of the 7th Halle Summer Colloquium on Topical Research Problems of Inflammation and Immunology which was held on the occasion of the 60th birthday of prof. Heinz Bekemeier on June 22, 1988, at the Wissenschaftsbereich Pharmakologie, Sektion Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), GDR]