544,123 WORLD First World Congress : New compounds in biological and chemical warfare : toxicological evaluation : Proceedings Ghent, May 21 st — 23re, 1984 / ed. by Chairman A. Heyndrickx ; sponsored by the Faculty of Pharmaceutical Sciences State Universit of Ghent /etc./ -Bruxelles : Impr. des Sciences S. A./, 1985. -/2/, 453, /1/ s. il, wykr. ; 25 cm (Archives Beiges ; suppl. 1984)