For citations:
Rushkevich YN, Chechik NM, Likhachev SA, Merkul OV, Korbut TV. The severity of respiratory disorders in different forms of amyotrophic lateral sclerosis. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2017;9(3):54-58. (In Russ.) https://doi.org/10.14412/2074-2711-2017-3-54-58