In memory of Mykola Mykhailovych Korenev, Doctor of Medical Sciences, Professor, Director of the State Enterprise "Institute for the Protection of Children and Adolescent Health of the National Academy of Medical Sciences of Ukraine" 2021. In memory of Mykola Mykhailovych Korenev, Doctor of Medical Sciences, Professor, Director of the State Enterprise "Institute for the Protection of Children and Adolescent Health of the National Academy of Medical Sciences of Ukraine" . Actual problems of modern medicine. 8 (Dec. 2021).