Nikonenko, O.S., Nikonenko, A.O., Chmul, K.O. and Osaulenko, V.V. 2020. Algorithm of Differentiated Approach to the Treatment of CHD Patients with Impaired Homocysteine and Vitamin D Metabolism before and after Coronary Artery Bypass Grafting. Ukrainian Journal of Cardiovascular Surgery. 2 (39) (Mar. 2020), 22-28. DOI:https://doi.org/10.30702/ujcvs/20.3905/020022-028.