RT Journal Article SR Electronic T1 Why 25-dehydroxyvitamin D is a negative acute-phase reactant JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 535 OP 535 DO 10.3949/ccjm.90c.09001 VO 90 IS 9 A1 Antonelli, Maria J. A1 Kushner, Irving A1 Epstein, Murray YR 2023 UL http://www.ccjm.org/content/90/9/535.abstract AB