title: [Immunological observations in conditioned rats with human tumor heterotransplants].
mesh_terms: D000818:Animals; D064593:Heterografts; D007106:Immune Sera; D009369:Neoplasms / Q000276:immunology*; D051381:Rats; D014183:Transplantation, Heterologous
chemical_list: D007106:Immune Sera
keywords: IMMUNE SERUMS; NEOPLASMS/immunology