Delayed hypersensitivity in vitro.
D000818:Animals; D000941:Antigens / Q000494:pharmacology; D006168:Guinea Pigs; D006968:Hypersensitivity, Delayed / Q000276:immunology*; D066298:In Vitro Techniques; D008198:Lymph Nodes / Q000187:drug effects*; D008214:Lymphocytes / Q000187:drug effects; D008264:Macrophages / Q000187:drug effects; D014020:Tissue Extracts / Q000494:pharmacology*
D000941:Antigens; D014020:Tissue Extracts