10971
However, the EKLF-/- colonies were poorly hemoglobinized and enucleated erythrocytes in these colonies contained numerous Heinz bodies .
 ( cell type: enucleated erythrocytes, None) , ( cell line: EKLF-/- colonies, 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: enucleated erythrocytes, None) , ( cell line: EKLF-/- colonies, None) 