Nykonenko, O.S., Chmul, K.O., Nykonenko, A.O., Osaulenko, V.V. and Efimenko, N.F. 2018. Prognostic value of homocysteine and vitamin D for patients with ischemic heart disease and multifocal atherosclerosis. Zaporozhye Medical Journal. 1 (Jan. 2018). DOI:https://doi.org/10.14739/2310-1210.2018.1.121880.