Detection of Subclinical Cardiac Dysfunction in Healthy Medical Workers with Vitamin D Deficiency.Published in:Zagazig University Medical Journal, 2023, v. 29, n. 4, p. 1099, doi. 10.21608/zumj.2023.199367.2768By:Elsadek Seaoud, Elshaimaa Ali M.;Elkot, Moataz A.;Eldeeb, Seham Mahmoud;Wageeh, ShaimaaPublication type:Article