Automated system for regulating output voltages of electrical substations of the radial power supply system by V.N. Ashanin, A.А. Dospekhov, M.A. Kozhevnikov

REFLUX ESOPHAGITIS - BRONCHIAL ASTHMA - ESOPHAGEAL CARCINOMA. PECULIARITIES OF OWN OBSERVATIONS AND LITERARY REVIEW by M. B. Scvortsov, E. M. Zaguzina, M. A. Kozhevnikov

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Metastasis of amelanotic melanoma to the small intestine complicated with bleeding, perforation and intestinal obstruction by V. A. Beloborodov, N. G. Kornilov, M. A. Kozhevnikov, V. M. Danchinov, T. V. Kazakova

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Esophageal Hemorrhagic Syndromes by V. A. Beloborodov, M. A. Kozhevnikov, E. A. Kelchevskay, I. J. Oleynikov, A. P. Frolov

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Clinical and neurological manifestations of COVID-19 and other coronavirus infections: A literature review by V. A. Beloborodov, I. A. Stepanov, E. A. Kelchevskaya, V. A. Vorobiev, A. P. Frolov, M. A. Kozhevnikov, A. R. Tukhiev, V. E. Borisov, Z. S. Saakyan

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