Vitomskyi, V.V., Lazarieva, O.B. , Doroshenko, E.Y. , Vitomskа M.V. , Kovalenko T.М. , Hertsyk A.М. and Gavreliuk, S.V. 2021. The impact of mobilization protocols on the length of postoperative hospitalization among cardiac surgery patients. Zaporozhye мedical journal. 23, 2 (Apr. 2021), 259–265. DOI:https://doi.org/10.14739/2310-1210.2021.2.228781.