Medicare carriers in S.C. restricting coverage of vitamin D.
D001741:Black or African American; D006801:Humans; D007275:Injections, Intravenous / Q000191:economics; D006278:Medicare / Q000191:economics*; D006435:Renal Dialysis; D012955:Societies, Medical; D013022:South Carolina; D014807:Vitamin D / Q000008:administration & dosage / Q000191:economics*
D014807:Vitamin D