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Park, K., Taniyama, T., Kabashima, K. et al. Primary cutaneous lichen amyloidosis of the external auditory canal, possibly due to scratching with a metal nail head for severe pruritus. Eur J Dermatol 24, 95–96 (2014). https://doi.org/10.1684/ejd.2013.2201
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DOI: https://doi.org/10.1684/ejd.2013.2201