LX. Empyema of the Petrous Apex: Further Observations and Case Reports

Kopetzky S. J. Almour R. : Suppuration of the Petrous Pyramid: Pathology, Symptomatology and Surgical Treatment. Annals of Otology, Rhinology and Laryngology, Vol. XXXIX, No. 4, and Vol. XL, Nos. 1, 2 and 3 (1930–1931).

Almour R. : Empyema of Petrous Apex: Operation, Recovery. Annals of Otology, Rhinology and Laryngology, Vol. XLI, No. 2 (1932).

Taylor H. K. : The Roentgen Findings in Suppuration of the Petrous Apex. Annals of Otology, Rhinology and Laryngology. Vol. XL, No. 2 (1931).