of journal "Morphologia", E. office 2020. USMLE Step 1 Lecture Notes 2020: 7-Book Set (Kaplan Test Prep) Author: Kaplan Medical. Морфологія / Morphologia / Morfologìâ. 14, 1 (Mar. 2020), 70. DOI:https://doi.org/10.26641/1997-9665.2020.1.70.