[Cell-to-cell interaction in delayed allergy?].
D000818:Animals; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D002352:Carrier Proteins; D006168:Guinea Pigs; D006241:Haptens; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology*; D012882:Skin Tests
D002352:Carrier Proteins; D006241:Haptens