For citations:
Olshanskaya A.S., Dyuzhakova A.V., Shnayder N.A., Dmitrenko D.V. A rare case of Cohen syndrome and early infantile epileptic encephalopathy (type 52) in two-year-old girl. Russian Journal of Child Neurology. 2019;14(2):35-41. (In Russ.) https://doi.org/10.17650/2073-8803-2019-14-2-35-41