Lee JH, Gadi R, Spertus JA, et al. Prevalence of vitamin D deficiency in patients with acute myocardial infarction. Am J Cardiol. 2011 Mar 23.
389
Long AN, Ray MM, Nandikanti D, et al. Prevalence of 25-hydroxyvitamin D deficiency in an urban general internal medicine academic practice. Tenn Med. 2011 Jan; 104 (1): 45–6, 52.