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權威醫學文獻:
Gonzalez S, Pathak MA, Photodermatol Photoimmunol Photomed, 1996 / Alonso-Lebrero JL et al, J Photochem Photobiol Biology, 2003 / Middelkamp M, Pathak MA, Fitzpatrick TB, J Am Acad Dermatol, 2004 / Middlekamp M. et al., J. Am Acad Derm, 2004 (a)