L.B. POSTNIKOVA, I.A. DOROVSKOY, V.A. KOSTROV Municipal Hospital №28, 7 Chaadaeva Str., Nizhny Novgorod, Russian Federation, 603040 Postnikova L.B. ― D. Med. Sc., Associate Professor, Head of «Municipal Advisory Pulmonology Center», tel. (831) 276-84-12, e-mail: plbreаth@mail.ru Dorovskoy I.A. ― physician, tel. (831) 276-84-12, e-mail: fiatlux2008@rambler.ru Kostrov V.A. ― Cand. Med. Sc., Associate Professor, consultant-pulmonologist, tel. […]