title: Corretation between immunosuppression to tumorigenesis. 1. Humoral immunosuppressing factor.
mesh_terms: D000230:Adenocarcinoma / Q000276:immunology* / Q000473:pathology / Q000601:surgery; D000818:Animals; D002474:Cell-Free System; D003602:Cytotoxicity, Immunologic; D005260:Female; D007165:Immunosuppression Therapy; D008213:Lymphocyte Activation; D008264:Macrophages / Q000276:immunology; D008325:Mammary Neoplasms, Experimental / Q000276:immunology* / Q000473:pathology / Q000601:surgery; D051379:Mice; D008815:Mice, Inbred Strains; D009368:Neoplasm Transplantation; D010835:Phytohemagglutinins / Q000494:pharmacology; D051381:Rats; D013154:Spleen / Q000166:cytology / Q000276:immunology; D014185:Transplantation, Isogeneic
chemical_list: D010835:Phytohemagglutinins