tokens: This report describes studies indicating that the most proximal of these two regulatory elements is an important determinant of its restricted expression .
folded_tokens: this report describes studies indicating that the most proximal of these two regulatory elements is an important determinant of its restricted expression .
labels: O O O O O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group O O O O O O B-other_name I-other_name O