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more general categories information about this item 4. Semantic Terms 4. Semantic Terms Entity [STY:T071] (48056) Physical Object [STY:T072] (47583) Substance [STY:T167] (46174) Chemical [STY:T103] (46110) Chemical Viewed Structurally [STY:T104] (44741) Organic Chemical [STY:T109] (44144) C20. Immune System Diseases C20. Immune System Diseases Immune System Diseases [MESH:D007154] (7674) Hypersensitivity [MESH:D006967] (5873) Environmental Illness [MESH:D018876] (14) Multiple Chemical Sensitivity [MESH:D018777] (12) C21. Disorders of Environmental Origin C21. Disorders of Environmental Origin Disorders of Environmental Origin [MESH:D007280] (16) Environmental Illness [MESH:D018876] (14) Multiple Chemical Sensitivity [MESH:D018777] (12) D02. Organic Chemicals D02. Organic Chemicals Organic Chemicals [MESH:D009930] (75987) Azo Compounds [MESH:D001391] (698)
