Fig. 1
From: Genetic influence on serum 25-hydroxyvitamin D concentration in Korean men: a cross-sectional study

Distribution of mean serum 25-hydroxyvitamin D [25(OH)D] concentration by months of the year [January (= 1) − December (= 12)]
From: Genetic influence on serum 25-hydroxyvitamin D concentration in Korean men: a cross-sectional study
Distribution of mean serum 25-hydroxyvitamin D [25(OH)D] concentration by months of the year [January (= 1) − December (= 12)]