
Environmental and genetic determinants of vitamin D insufficiency in 12-month-old infants
Keywords: طیف سنجی جرمی کروماتوگرافی مایع دو طرفه; 25(OH)D2; 25-hydroxyvitamin D2; 25(OH)D3; 25-hydroxyvitamin D3; CYP2R1; 25-hydroxylase; CYP24A1; 24-hydroxylase; CYP27B1; 1- α-hydroxylase; FLG; filaggrin; GC; vitamin D binding protein; LC-MS/MS; liquid chromatography-tandem mass spectrometry; LD; linka