Immunotolerance to simple chemicals. Hypersensitivity to simple chemicals as a model for the study of immunological tolerance.

Adult Allergens Animals Antibodies Antigen-Antibody Reactions Antigens Antimetabolites Biological Transport Dermatitis, Contact/etiology Drug Hypersensitivity Embryo, Mammalian/immunology Female Guinea Pigs Haptens Histamine Humans Hypersensitivity, Delayed Hypersensitivity, Immediate Immune Sera Immune Tolerance/drug effects Lymphocytes/metabolism Models, Biological Polysaccharides/metabolism Pregnancy Protein Binding Proteins/metabolism Skin Time Factors

Allergens Antibodies Antigens Antimetabolites Haptens Immune Sera Polysaccharides Proteins Histamine