2296
These results demonstrate that there are detectable Ad 2/5 E1a sequences in the respiratory epithelium of a small percentage of normals and individuals with CF .
 ( DNA: Ad 2/5 E1a sequences, None) , ( DNA: E1a sequences, 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:
 ( DNA: Ad 2/5 E1a sequences, None) , ( DNA: E1a sequences, None) 