8443
The concentrations required for 50% displacement of 17beta-(3H) estradiol (CB50) were: 17beta-estradiol , 1.34 nmol/L; diethylstilbestrol , 1.46 nmol/L; daidzein , 1.6 micromol/L; DG , 14.7 micromol/L; genistein , 0.154 micromol/L; GG , 7.27 micromol/L.
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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