HENNESSEN, W. 554,716 IMMUNIZATION 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 Catholigue de Louvain, Belgium 15-17 November 1978 / acting eds. W. Hennessen and C. Huygelen. - Basel [etc.] : S. Karger, 1979. - XII, 47 s. : il., wykr. ; 25 cm. - (Developments in Bio Leal Standardization ; vol. 43) . - Bibliogr. przy rozdz. - Indeks ISBN 3-8055-2816-7