2027
Utilization of comprehensive sickle cells disease services was lower for individuals with sickle cell disease living in rural areas than for those living in urban areas .
 sickle cells, sickle cell
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 sickle cells, sickle cell