[1214] Sokoloff, Wratsch, 1896.

[1215] Rawnitzky, Derm. Zeitschr., v, p. 704.

[1216] Cholodowsky, Wratsch, 1896.

[1217] Stelwagon, Journ. Cut. Dis., xxii, 8.

[1218] Ehrmann, Wien. derm. Ges., November 17, 1897.

[1219] v. Harlingen, Amer. Journ. of Med. Sci., 1902.

[1220] Lenglet and Delaunay, Annal. de Derm. et de Syph., 1904.

[1221] Kengsep, Derm. Centralbl., 1906, vii.

[1222] Hamburger, Journ. of Cut. Dis., 1904.

[1223] v. Harlingen, loc. cit.