To validate the method , we made use of earlier receptor binding studies indicating that normal human monocytes and activated , but not resting , lymphocytes expressed the VDR .
to validate the method , we made use of earlier receptor binding studies indicating that normal human monocytes and activated , but not resting , lymphocytes expressed the vdr .
O O O O O O O O O O O O O O O B-cell_type I-cell_type I-cell_type O O O O O O O B-cell_type O O B-protein_molecule O