The lymph node permeability factor: a possible mediator of delayed hypersensitivity reactions.
D000818:Animals; D000831:Animals, Newborn; D006968:Hypersensitivity, Delayed / Q000150:complications*; D007108:Immune Tolerance; D007249:Inflammation / Q000209:etiology; D008198:Lymph Nodes / Q000276:immunology*; D051381:Rats