#contact_dermatitis  a delayed type of allergic reaction of the skin resulting from skin contact with a specific allergen (such as poison ivy)
  supertype:  #dermatitis  inflammation of the skin; skin becomes itchy and may develop blisters
  subtype:  #bubble_gum_dermatitis  an allergic contact dermatitis developed around the lips of children who chew bubble gum
  subtype:  #Rhus_dermatitis  contact dermatitis resulting from contact with plants of the genus Toxicodendron
     subtype:  #poison_ivy  dermatitis resulting from contact with the poison ivy plant
     subtype:  #poison_oak  dermatitis resulting from contact with a poison oak plant
     subtype:  #poison_sumac  dermatitis resulting from contact with a poison sumac plant

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