tokens: These results show that there is no evidence of specific expression of the progesterone receptor in pregnancy and exclude any prognostic character in spontaneous abortion .
folded_tokens: these results show that there is no evidence of specific expression of the progesterone receptor in pregnancy and exclude any prognostic character in spontaneous abortion .
labels: O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O B-other_name O O O O O O B-other_name I-other_name O