Figure 6.
SROC of polymorphism of VDBP to COPD. (A) 1F-1F; (B) 1F-1S; (C) 1F-2; (D) 1S-1S; (E) 1S-2; (F) 2-2. SROC, summary receiver operating characteristic curve; VDBP, vitamin D binding protein; COPD, chronic obstructive pulmonary disease.
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