proceedings of the 23rd symposium organized by the permanent section of microbiological standardization and held at the institute of child health guilford street, london w.c.november 18-20,1968 Regamey, R. H. (ed.) creator Barbieri, A. D. (ed.) text xx Basel S. Karger 1969 9999 monographic und ENG viii + 472 Immunology, Rubella, Vaccines, Symposia D3433 / 19.09.1969 Immunology Pharmacology -- Therapeutics 615.371 260808 20260808125341.0