title: Experimental approaches to the identification of immunologically active soluble factors produced in vivo.
mesh_terms: D000818:Animals; D007114:Immunization; D007376:Interleukin-2 / Q000096:biosynthesis; D015848:Interleukin-5; D007700:Kinetics; D008198:Lymph Nodes / Q000378:metabolism*; D008222:Lymphokines / Q000096:biosynthesis*; D008263:Macrophage Migration-Inhibitory Factors / Q000096:biosynthesis; D012756:Sheep
chemical_list: D007376:Interleukin-2; D015848:Interleukin-5; D008222:Lymphokines; D008263:Macrophage Migration-Inhibitory Factors