2605
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.
 ( cell type: Lymphocytes, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell type: Lymphocytes, None) 