7970
The ratio of BCL2+ to CD3+ cells in ectopic pregnancy was 0.41.
 ( cell type: BCL2+, None) , ( cell type: CD3+ cells, 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: BCL2+, None) , ( cell type: CD3+ cells, None) 