14114
In this study, the proliferative activity of 129 primary breast cancers was investigated, and the results were related to prognosis.
 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:
 None