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von Känel, Roland; Müller-Hartmannsgruber, Veronika; Kokinogenis, Georgios; Egloff, Niklaus (2014). Vitamin D and central hypersensitivity in patients with chronic pain. Pain medicine, 15(9), pp. 1609-1618. Wiley-Blackwell 10.1111/pme.12454
