tokens: No correlation was seen between VDR and serum calcitriol or PTH levels , when considering both groups of patients together or separately .
folded_tokens: no correlation was seen between vdr and serum calcitriol or pth levels , when considering both groups of patients together or separately .
labels: O O O O O B-protein_molecule O B-lipid I-lipid O B-peptide O O O O O O O B-multi_cell O O O O