title: Biochemical basis of geographic ecology.
mesh_terms: D000368:Aged; D000485:Allergens; D000818:Animals; D003429:Cross Reactions; D003877:Dermatitis, Contact / Q000276:immunology*; D009783:Dermatitis, Occupational; D004463:Ecology; D005060:Europe; D005260:Female; D006241:Haptens; D006801:Humans; D007783:Lactones / Q000276:immunology*; D008297:Male; D008875:Middle Aged; D010476:Perfume / Q000633:toxicity; D010944:Plants; D011809:Quinones / Q000276:immunology*; D012617:Sea Urchins; D012882:Skin Tests
chemical_list: D000485:Allergens; D006241:Haptens; D007783:Lactones; D010476:Perfume; D011809:Quinones