Positive hybridization was found in thymus , tonsil , bone marrow , developing vessels , and in fetal brain .
positive hybridization was found in thymus , tonsil , bone marrow , developing vessels , and in fetal brain .
B-other_name I-other_name O O O B-body_part O B-body_part O B-tissue I-tissue O B-body_part I-body_part O O O B-body_part I-body_part O