Thormann J, Jespersen N B, Joensen H D
Contact Dermatitis. 1979 Jul;5(4):261-4. doi: 10.1111/j.1600-0536.1979.tb04862.x.
Forty-eight patients with a positive patch test to potassium dichromate 0.5% were retested after 4-7 years; 38 patients (79%) still had a positive patch test. Chromate allergy seems to be persistent. In 72% of the cases a history of occupational exposure to chromates could be proved.
48例对0.5%重铬酸钾斑贴试验呈阳性的患者在4至7年后再次接受检测；38例患者（79%）斑贴试验仍为阳性。铬酸盐过敏似乎具有持续性。在72%的病例中，可以证实有职业性接触铬酸盐的病史。
