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2. De Korté. (Brit. Med. Journ. 1910.)
3. Pernet. Pemphigus Vegetans and the Bacillus pyocyaneus (Brit. Med. Assoc. Meeting, Oxford, 1904. (Brit. Med. Journ. 1904. Vol. II.)
4. Winfield. Pemphigus Vegetans; Report of a case, with a review of the subject. (The Jour. of Cutaneous Dis. New York. Jan–Feb. 1907.)
5. Pernet. The aetiology of Acute Pemphigus. Brit med. Assoc. Meeting, London, 1895. (Brit. Med. Jour. 1895). Pernet and Bulloch: Acute Pemphigus, a contribution to the Aetiology of the Acute Bullous Eruptions. (Brit. Jour. Derm. VIII, 1896, p. 157 etc.)