Since most of the actions of vitamin D are mediated by its receptors ( VDR ) , abnormalities of VDR have been postulated in XLH .
since most of the actions of vitamin d are mediated by its receptors ( vdr ) , abnormalities of vdr have been postulated in xlh .
O O O O O O B-lipid I-lipid O O O O O O B-protein_family_or_group O O B-other_name O B-protein_family_or_group O O O O B-other_name O