Kulynych, T.O., Lisova, O.O., Shershnova, O.V. and Hrytsai, A.V. 2021. Heart rhythm and autonomic regulation disorders in chronic coronary syndrome patients with community-aсquired pneumonia. Zaporozhye мedical journal. 23, 6 (Oct. 2021), 766–771. DOI:https://doi.org/10.14739/2310-1210.2021.6.235435.