LI Nasal Obstruction Caused by Collapse of the Nasal Alae

Morris Henry : Human Anatomy: A Complete Systematic Treatise. P. Blakiston's Son & Co., Philadelphia, edition 9, pp. 1296–1298, 1933.

Kyle D. B. : A Textbook of Diseases of the Nose and Throat. W. B. Saunders Company, Philadelphia, p. 312, 1907.

Wright Jonathan Smith Harmon : A Textbook of the Diseases of the Nose and Throat. Lea and Febiger, Philadelphia, p. 95, 1914.

Lillie H. I. : Practical Physiology of the Nose. Minnesota Med., 21:621–628 (Sept.), 1938.

Heetderks D. R. : Observations on the Reaction of Normal Nasal Mucous Membrane. Am. J. M. Sc., 174:231–244 (Aug.), 1927.

Thomson St. Clair : Diseases of the Nose and Throat. D. Appleton and Company, New York, edition 3, pp. 125 and 182, 1926.

Walsham (quoted by Ballenger W. L. : Diseases of the Nose, Throat and Ear, Medical and Surgical. Lea and Febiger, Philadelphia, pp. 307–308, 1925.

Lack (quoted by Ballenger W. L. ): Diseases of the Nose, Throat and Ear, Medical and Surgical. Lea and Febiger, Philadelphia, pp. 307–308, 1925.

Brown Edgar : A Note on the Treatment of Alar Collapse. J. Laryng. & Otol., 46:545–546 (Aug.), 1931.