Evolution of the Structure of Children's Morbidity Rate in the Republic of Sakha (Yakutia) by Tatyana E. Burtseva, Sardana A. Evseeva, Maya S. Savvina, Svetlana Y.Yakovleva, Vyacheslav G. Chasnyk

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Structure of Congenital Heart Defects in Newborns in the Sakha Republic (Yakutia) by Tuyara I. Nelunova, Vyacheslav G. Chasnyk, Tatiana E. Burtseva, Mikhail I.Tomsky, Evdokia D. Son

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Experience in Rituximab Administration in Children with Systemic Lupus Erythematosus: a Retrospective Study of the Case Series by Mikhail M. Kostik, Ekaterina M. Kuchinskaya, Farida N. Abduragimova, Olga P. Gurina, Olga V. Kalashnikova, Vyacheslav G. Chasnyk

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Abortion in the Republic of Sakha (Yakutia): Incidence and Trends by Natalia I. Duglas, Yana G. Rad’, Vyacheslav G. Chasnyk, Tatiana E. Burtseva, E.A. Borisova, L.A .Shek, Tatiana Y. Pavlova

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SYSTEMIC LUPUS ERYTHEMATOSUS: CLINICAL RECOMMENDATIONS. PART 2 by Ekaterina I. Alexeeva, Tatiana M. Dvoryakovskaya, Irina P. Nikishina, Rina V. Denisova, Nadezhda S. Podchernyaeva, Ol’ga A. Sukhorukikh, Lyubov’ S. Shubina, Vyacheslav G. Chasnyk, Mikhail M. Kostik

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The Use of Tocilizumab in 40 Patients With Polyarticular Juvenile Idiopathic Arthritis: the Results of a Retrospective Study by Mikhail M. Kostik, Irina A. Chikova, Eugenia A. Isupova, Margarita E. Dubko, Vera V. Masalova, Tatyana S. Likhacheva, Ludmila S. Snegireva, Ekaterina V. Gaidar, Olga V. Kalashnikova, Vyacheslav G. Chasnyk

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DIFFERENTIATED APPROACH TO NON-BACTERIAL OSTEOMYELITIS TREATMENT IN CHILDREN: THE RETROSPECTIVE STUDY RESULTS by Mikhail M. Kostik, Olga L. Kopchak, Irina A. Chikova, Eugenia A. Isupova, Vera V. Masalova, Margarita F. Dubko, Ludmila S. Snegireva, Olga V. Kalashnikova, Alexandr Y. Mushkin, Vyacheslav G. Chasnyk

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ETANERCEPT TREATMENT RESULTS IN CHILDREN WITH NON-SYSTEMIC JUVENILE IDIOPATHIC ARTHRITIS: REMISSION, RECRUDESCENCE, AND ADVERSE EVENTS. RETROSPECTIVE COHORT STUDY by Mikhail M. Kostik, Irina A. Chikova, Eugenia A. Isupova, Maria N. Likhacheva, Tatyana S. Likhacheva, Margaruta F. Dubko, Vera V. Masalova, Ludmila S. Snegireva, Ekaterina V. Gaidar, Olga V. Kalashnikova, Vyacheslav G. Chasnyk

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Standard and increased canakinumab dosing to quiet macrophage activation syndrome in children with systemic juvenile idiopathic arthritis by Mikhail M. Kostik, Eugenia A. Isupova, Konstantin Belozerov, Tatyana S. Likhacheva, Evgeny N. Suspitsin, Evgeny N. Suspitsin, Evgeny N. Suspitsin, Rinat Raupov, Vera V. Masalova, Irina A. Chikova, Margarita F. Dubko, Olga V. Kalashnikova, Vyacheslav G. Chasnyk, Randy Q. Cron

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Juvenile idiopathic arthritis patients with positive family history of autoimmune thyroid disease might benefit from serological screening: analysis of the international Pharmachil... by Joeri W. van Straalen, Laurie Baas, Gabriella Giancane, Lyudmila Grebenkina, Jurgen Brunner, Gabriel Vega-Cornejo, Vyacheslav G. Chasnyk, Liora Harel, Simone Appenzeller, Elisabeth Gervais, Sytze de Roock, Nico M. Wulffraat, Nicolino Ruperto, Joost F. Swart, for the Paediatric Rheumatology International Trials Organisation (PRINTO)

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Uveitis Is a Risk Factor for Juvenile Idiopathic Arthritis' Significant Flare in Patients Treated With Biologics by Mikhail M. Kostik, Ekaterina V. Gaidar, Lubov S. Sorokina, Ilya S. Avrusin, Tatiana N. Nikitina, Eugenia A. Isupova, Irina A. Chikova, Yuri Yu. Korin, Elizaveta D. Orlova, Elizaveta D. Orlova, Ludmila S. Snegireva, Vera V. Masalova, Margarita F. Dubko, Olga V. Kalashnikova, Vyacheslav G. Chasnyk

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Using HScore for Evaluation of Hemophagocytosis in Multisystem Inflammatory Syndrome Associated with COVID-19 in Children by Ilia S. Avrusin, Natalia N. Abramova, Konstantin E. Belozerov, Liudmila V. Bregel, Olesya S. Efremova, Alla A. Vilnits, Julia E. Konstantinova, Eugenia A. Isupova, Tatiana L. Kornishina, Vera V. Masalova, Olga V. Kalashnikova, Vyacheslav G. Chasnyk, Yuriy S. Aleksandrovich, Dmitri O. Ivanov, Mikhail M. Kostik

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DIFFERENTIAL DIAGNOSIS OF SYSTEMIC-ONSET JUVENILE ARTHRITIS AND RHEUMATIC MASKS OF ONCOHEMATOLOGICAL DISEASES: A RETROSPECTIVE COHORT STUDY by Mikhail M. Kostik, Eugenia A. Isupova, Ekaterina A. Shilova, Ilya S. Avrusin, Yuri Y. Korin, Irina A. Chikova, Margarita F. Dubko, Vera V. Masalova, Ludmila S. Snegireva, Tatyana L. Kornishina, Ekaterina V. Gaidar, Olga V. Kalashnikova, Tatyana F. Panova, Olga L. Kopchak, Vyacheslav G. Chasnyk

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Distinguishing Between Multisystem Inflammatory Syndrome, Associated With COVID-19 in Children and the Kawasaki Disease: Development of Preliminary Criteria Based on the Data of th... by Mikhail M. Kostik, Liudmila V. Bregel, Liudmila V. Bregel, Ilia S. Avrusin, Elena A. Dondurei, Elena A. Dondurei, Alla E. Matyunova, Olesya S. Efremova, Eugenia A. Isupova, Tatiana L. Kornishina, Vera V. Masalova, Ludmila S. Snegireva, Vladimir V. Shprakh, Yuri A. Kozlov, Olga V. Kalashnikova, Vyacheslav G. Chasnyk

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Determination of Risk Factors for Severe Life-Threatening Course of Multisystem Inflammatory Syndrome Associated with COVID-19 in Children by Ilia S. Avrusin, Natalia N. Abramova, Konstantin E. Belozerov, Gleb V. Kondratiev, Liudmila V. Bregel, Olesya S. Efremova, Alla A. Vilnits, Julia E. Konstantinova, Eugenia A. Isupova, Tatiana L. Kornishina, Vera V. Masalova, Eugeniy Yu. Felker, Olga V. Kalashnikova, Vyacheslav G. Chasnyk, Yuriy S. Aleksandrovich, Mikhail M. Kostik

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The Safety and Efficacy of Tofacitinib in 24 Cases of Pediatric Rheumatic Diseases: Single Centre Experience by Mikhail M. Kostik, Rinat K. Raupov, Rinat K. Raupov, Evgeny N. Suspitsin, Evgeny N. Suspitsin, Eugenia A. Isupova, Ekaterina V. Gaidar, Tatyana V. Gabrusskaya, Maria A. Kaneva, Ludmila S. Snegireva, Tatyana S. Likhacheva, Rimma S. Miulkidzhan, Artem V. Kosmin, Anastasia V. Tumakova, Vera V. Masalova, Margarita F. Dubko, Olga V. Kalashnikova, Ivona Aksentijevich, Vyacheslav G. Chasnyk

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COVID-19 Associated Vasculitis Confirmed by the Tissues RT-PCR: A Case Series Report by Konstantin E. Belozerov, Ilia S. Avrusin, Lyubov I. Andaryanova, Anna M. Guseva, Zaira S. Shogenova, Irina N. Belanovich, Anna V. Lobacheva, Tatiana L. Kornishina, Eugenia A. Isupova, Vera V. Masalova, Olga V. Kalashnikova, Andrey V. Nokhrin, Tatyana F. Panova, Yulia P. Dutova, Svetlana L. Myshkovskaya, Kirill Y. Kostyunin, Andrey B. Komissarov, Vyacheslav G. Chasnyk, Liudmila V. Bregel, Mikhail M. Kostik

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