Transfer factor and the immune system.
D000937:Antigen-Antibody Reactions; D001402:B-Lymphocytes / Q000502:physiology; D006801:Humans; D007112:Immunity, Maternally-Acquired; D008214:Lymphocytes / Q000502:physiology*; D008222:Lymphokines; D013601:T-Lymphocytes / Q000502:physiology
D008222:Lymphokines