Part I ORIGINAL ARTICLESOlha V. Kuzmenko, Vladyslav A. Smiianov, Lesia A. Rudenko, Mariia O. Kashcha, Tetyana A. Vasilyeva, Svitlana V. Kolomiiets, Nataliia A. AntoniukIMPACT OF VACCINATION ON THE COVID-19 PANDEMIC:BIBLIOMETRIC ANALYSIS AND CROSS COUNTRY FORECASTING BY FOURIER SERIES Sergiy O. Sherstiuk, Olha S. Zats, Liudmila L. Sherstiuk, Stanislav I. PanovIMMUNOHISTOCHEMICAL AND MORPHOMETRIC CHARACTERISTICS OF CHORIONIC …