1. N. M. Amosov and A. V. Malakhova, The Surgical Treatment of Suppurative Diseases of the Lungs [in Russian], p. 128 (Kiev, 1956).
2. A. V. Afanas'eva, Proceedings of the Eighth Congress of Surgeons of the Ukrainian SSR [in Russian], p. 115 (Kiev, 1955).
3. A. N. Bakulev and A. V. Gerasimova, Khirurgiya, 8, 50 (1952).
4. L. K. Bogush, In the book: Textbook of Tuberculosis [in Russian], Vol. 2, p. 268 (Moscow, 1959).
5. N. V. Boikova, Changes in the Lungs after Ligation of the Pulmonary Artery and Introduction of a Foreign Body into the Trachea. Author's abstract of candidate dissertation (Leningrad, 1958); Byull. éksper. biol., 3, 112 (1959).