For citation:
Rushkevich Y.N., Chechik N.M., Likhachev S.A., Merkul O.V., Korbut T.V. The severity of respiratory disorders in different forms of amyotrophic lateral sclerosis. Neurology, Neuropsychiatry, Psychosomatics. 2017;9(3):54-58. (In Russ.) https://doi.org/10.14412/2074-2711-2017-3-54-58