For citations:
Krasovskiy S.A., Amelina E.L., Kondrat'eva E.I., Shaginyan I.A., Chernukha M.Yu., Chernyak A.V., Kashirskaya N.Yu., Avetisyan L.R., Polikarpova S.V., Pivkina N.V., Voronkova A.Yu., Usacheva M.V., Kalinina Yu.E., Kanukova N.A., Kozyreva L.S., Kondakova Yu.A., Konovalova L.E., Korneeva T.Yu., Gorinova Yu.V., Lavrova A.E., Ledeneva L.N., Ledneva V.S., Lyagusha D.E., Golubtsova O.I., Merzlova N.B., Mukhacheva V.V., Nikonova V.S., Neretina A.F., Novikova O.B., Osipova E.V., Usacheva O.V., Pavlov P.I., Pinegina Yu.S., Petrova A.I., Polyakova I.V., Ibragimova D.F., Ponomareva T.A., Protasova T.A., Pyaterkina O.G., Sergienko D.F., Kapranov N.I. Lower respiratory infection in patients with cystic fibrosis in Russian Federation according to the National Register, 2014. PULMONOLOGIYA. 2016;26(4):421-435. (In Russ.) https://doi.org/10.18093/0869-0189-2016-26-4-421-435