MacKenzieMorell, “Diseases of the Nose and Throat,”1884, ii, 353.
2.
HajekM. J., “Pathology and Treatment of the Inflammatory Diseases of the Nasal Accessory Sinuses,”English Edition, 1926, ii, 431.
3.
e.g., GRUNWALD, quoted by Hajek.
4.
Ibid., i, 107, et seq.
5.
Hirsch, “The Catarrhal Inflammation of the Nasal Accessory Sinuses and its Diagnosis,”Journal of Laryngology and Otology, 1927, xlii, and The Laryngoscope, 1927, xxxvii, 1.