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Jin Jo, S.; Hwan Paik, S.; Woo Choi, J.; Hee Lee, J.; Cho, S.; Han Kim, K.; Chul Eun, H.; Sang Kwon, O. Hair Graying Pattern Depends on Gender, Onset Age and Smoking Habits. Acta Derm Venereol 2011, 92, 160-161.