Lymphocytes of non-pregnant women , women with threatened pre-term delivery , and men showed equivalent levels : 3 +/- 1 , 3 +/- 2 and 5 +/- 4 fmol/mg respectively .
lymphocytes of non-pregnant women , women with threatened pre-term delivery , and men showed equivalent levels : 3 +/- 1 , 3 +/- 2 and 5 +/- 4 fmol/mg respectively .
B-cell_type O B-multi_cell I-multi_cell O O O O O O O O B-multi_cell O O O O O O O O O O O O O O O O O O