Transfer factor--fact or fiction?
D000818:Animals; D000937:Antigen-Antibody Reactions; D006168:Guinea Pigs; D000882:Haplorhini; D006433:Hemocyanins; D006801:Humans; D007116:Immunization, Passive; D007962:Leukocytes / Q000276:immunology; D014373:Tuberculin
D014373:Tuberculin; D006433:Hemocyanins