title: Poison oak hyposensitization. Evaluation of purified urushiol.
mesh_terms: D000284:Administration, Oral; D000475:Alkenes / Q000008:administration & dosage; D000485:Allergens / Q000008:administration & dosage* / Q000302:isolation & purification; D002396:Catechols / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D011040:Dermatitis, Toxicodendron / Q000517:prevention & control*; D003888:Desensitization, Immunologic; D006801:Humans; D008297:Male; D010919:Placebos; D010947:Plants, Toxic; D011538:Pruritus Ani / Q000209:etiology; D012882:Skin Tests; D013997:Time Factors; D012251:Toxicodendron
chemical_list: D000475:Alkenes; D000485:Allergens; D002396:Catechols; D010919:Placebos