title: Early uses of poison oak.
mesh_terms: D002140:California; D005495:Folklore; D006801:Humans; D007167:Immunotherapy; D007198:Indians, North American; D008519:Medicine, Traditional; D009369:Neoplasms / Q000628:therapy*; D010936:Plant Extracts / Q000627:therapeutic use*; D010947:Plants, Toxic
chemical_list: D010936:Plant Extracts