Possible pharmacological mediators of delayed hypersensitivity.
D000818:Animals; D006168:Guinea Pigs; D006632:Histamine / Q000502:physiology; D006968:Hypersensitivity, Delayed / Q000209:etiology*; D008198:Lymph Nodes / Q000032:analysis; D010539:Permeability; D051381:Rats
D006632:Histamine