1. Bruyn GW, Gathier JC (1969) The operculum syndrome. In: Vinken PJ, Bruyn GW (eds) Handbook of clinical neurology, vol 2. Elsevier Science BV, Amsterdam, pp 776–783
2. Foix C, Chavany JA, Marie J (1926) Diplegie facio-linguo-masticatrice d’origine souscorticale sans paralysie des members. Rev Neurol 33:214–219
3. Magnus A (1837) Fall von Aufhebund dis willenseinflusses auf einige Hirnnerven. Arch Anat Physiol Wiss Med:258–266
4. Worster-Drought C (1953) Demonstration of neurological cases held at the West End Hospital for nervous diseases. Postgrad Med J 29:316–321