title: A study of delayed hypersensitivity of guinea pigs to vaccinia virus. Comparison of inhibition of cell migration to a local passive transfer reaction for the quantification of delayed hypersensitivity.
mesh_terms: D000818:Animals; D000941:Antigens; D001202:Ascitic Fluid / Q000276:immunology; D002465:Cell Movement; D006168:Guinea Pigs; D006462:Hemolytic Plaque Technique; D006968:Hypersensitivity, Delayed / Q000276:immunology*; D007112:Immunity, Maternally-Acquired; D066298:In Vitro Techniques; D008264:Macrophages / Q000276:immunology; D012882:Skin Tests; D014615:Vaccinia / Q000276:immunology; D014616:Vaccinia virus / Q000276:immunology*
chemical_list: D000941:Antigens