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2. Journ. of coutaneous deas. XXIX. 1911. 1. H.
3. Ibidem Journ. of coutaneous deas. XXIX. 1911. 3. H. Ref. im Arch. f. Derm. Bd. CIX. p. 243 u. 496.
4. Arch. di Biol. norm. et patol. LXV. 1911. p. 217.
5. Arch. f. Dermat. 1906.