13169
The abnormal adherence of sickle red blood cells ( SS RBC ) to endothelial cells has been thought to contribute to vascular occlusion , a major cause of morbidity in sickle cell disease ( SCD ).
 ( cell type: endothelial cells, None) , ( cell type: sickle red blood cells, None) , ( cell type: SS RBC, 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: endothelial cells, None) , ( cell type: sickle red blood cells, None) , ( cell type: SS RBC, None) 