I.B. POPOV, D.A. SHCHERBAKOV, O.B. TYRYK MSCH Neftyanik JSC, 8/1 Yuriy Semovskikh Str., Tyumen, Russian Federation, 625032  Popov I.B. — Cand. Med. Sc., Director General, Chief Doctor, Head of the Department of Phthisiology, Pulmonology and Thoracic Surgery with the course of X-ray, tel. (3452) 58-09-34, e-mail: [email protected] Shcherbakov D.A. — Cand. Med. Sc., doctor-otorhinolaryngologist, e-mail: […]