IMMUNIZATION 554,716 Immunization, benefit versus risk factors : Proceedings of the 36th Symposium organized by the International Association of Biological Standardization and held at the College of Medicine, Universite Catholique de Louvain, Belgium 15-17 November 1978 / acting eds. W. Hennessen and C. Huygelen. - Basel [etc.] : S. Karger, 1979. - XII, 475 s. : il., wykr. ; 25 cm. - (Developments in Biolonical Standardization ; vol. 43) Bibliogr. przy rozdz. - Indeks ISBN 3-8055-2816-7