[544] Dirksen, Deutsch. med. Wochenschr., 1903.

[545] Brandt, quoted by Pollak in Centralbl. f. Bakt., 1889, v.

[546] Peiper, vide Seifert, “Lehrb. d. Kinderkrankh.,” 1897, p. 243.

[547] Demme, vide Seifert, ibid.

[548] Kutner, Berl. klin. Wochenschr., 1865.

[549] Lutz, Centralbl. f. Bakt.

[550] Drouillard, Journ. de Méd., 1900. xi.

[551] Annaratone, Giorn. med. del regio eserc., 1900.

[552] Delille, Journ. de Méd., May 10, 1907.

[553] Mériel, Annal. de Méd. et Chir. inf., 1900.