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3. Adamson, H. G.: A case of Impetigo circinata with bullous lésions of the hands and feet and subsequent infection of the nail-matrices. Brit. J. Dermat. 16, 165 (1904).
4. Alderson, H. E.: Einige Fälle aus der dermatologischen Klinik der Leland Standfort gr. University School of Medicine. Amer. Med. Enoc. San Francisco, Juni 1915. Ref. Dermat. Wschr. 62, 31.
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