TY - BOOK AU - Ciba Foundation TI - Ciba foundation symposium new series (No-25): parasites in the immunized host : mechanisms of survival SN - 90-219-4026-4 U1 - 610 PY - 1974/// CY - Amsterdam PB - Elsevier-Excerpta-North Holland (Associated Scientific Publishers) KW - CIBA Foundation KW - Medicine -- General N1 - Gift; CIBA Foundation, symposium, general medicine ER -