MayerOtto: Die Pyramidenzelleneiterungen, Zeitsch. F. H.-N.- und Ohrenheilk.Bd. 42, Heft 1, page 34.
2.
WilsonJ. GordonGaardsmoeJohn P.AnsonBarry J.: The Air Cells of the Petrous Portion of the Temporal Bone. J. of Laryng. and Otol., Vol. 52, No. 11, page 746.
3.
EagletonWells P.: Unlocking of the Petrous Pyramid for Localizing Bulbar (Pontile) Meningitis Secondary to Suppuration of the Petrous Apex. Arch. of Otolaryng., 13: 386 (March), 1931 (and other papers).
4.
RamadierJ.: Exploration de la pointe due rocher par la voie du canal carotidien. Ann d'Oto-Laryngol., Nr. 4, p. 422, 1933 (and other papers).
5.
KopetzkyS. J.AlmourR.: Annals of Otology, Rhinology and Laryngology, 40: 396 (June), 1931 (and other papers).
6.
MyersonMervin C.: Suppuration of the Petrous Pyramid. Arch. of Otolaryngol., 26: 42 (July), 1937.
7.
PodestaR.TatoJ. M.: Histopathologischer Bericht über einen Fall von Petrositis (Operation nach Ramadier): Riss und Blutung der Carotis interna, u s w. Acta Oto-Laryngol., 25: 254, 1937.
8.
GuildStacy R.: A hitherto Unrecognized Danger in the Operation of Ramadier for Suppuration of the Petrous Pyramid. Acta Oto-Laryngol., 25: 561, 1937.