title: [Cell-to-cell interaction in delayed allergy?].
mesh_terms: 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
chemical_list: D002352:Carrier Proteins; D006241:Haptens