Observations on whether immunodepression is associated with the presence of a tumour in mice.
D000818:Animals; D008325:Mammary Neoplasms, Experimental / Q000276:immunology*; D013154:Spleen / Q000276:immunology* / Q000637:transplantation; D014181:Transplantation Immunology; D014184:Transplantation, Homologous