tokens: Estrogen receptors are found on vascular endothelial and smooth muscle cells ; their expression is influenced by exposure to the hormone .
folded_tokens: estrogen receptors are found on vascular endothelial and smooth muscle cells ; their expression is influenced by exposure to the hormone .
labels: B-protein_family_or_group I-protein_family_or_group O O O O O O O O O O O O O O O O O O O O