Restoration of the immune response to sheep erythrocytes by a serum factor.
D000367:Age Factors; D000818:Animals; D000917:Antibody Formation; D002417:Cattle; D046508:Culture Techniques; D004912:Erythrocytes / Q000276:immunology*; D007109:Immunity; D008722:Methods; D051379:Mice; D012756:Sheep; D013154:Spleen / Q000276:immunology / Q000378:metabolism; D013936:Thymidine / Q000378:metabolism; D013950:Thymus Gland / Q000276:immunology / Q000601:surgery
D013936:Thymidine