[804] Frangenheim, Volkmann’s Samml. klin. Vorträge, 424.
[805] Finucane, Lancet, 1907.
[806] Bancroft, Lancet, 1885.
[807] Ziemann, Deutsch. med. Wochenschr., 1905, xi.
[808] Ziemann, Deutsch. med. Wochenschr., 1905.
[809] Pick, ibid.
[810] Ziemann, loc. cit.
[811] Wurtz and Cleri, Arch. Méd. expér., 1905, ii.
[812] Pollack, Berl. ophthal. Ges., May 17, 1906.
[813] Martens, Berl. med. Ges., July 24, 1907.