In the E1a-positive samples , the average of E1a copy number was 55 +/- 18/10 ( 3 ) recovered cells .
in the e1a-positive samples , the average of e1a copy number was 55 +/- 18/10 ( 3 ) recovered cells .
O O B-tissue I-tissue O O O O B-other_name I-other_name I-other_name O O O O O O O O O O