ABSTRACTS 286,479 Abstracts of papers for the Seventh International Congress of the Reticuloendothelial Society and the First Scientific Meeting of the European Reticuloendothelial Society September 15-20, 1975 Pamplona, Spain. New York 1975 4° Journal of the Reticuloendothelial Society vol. 18, abstract suppl, /Tyt. okł./