266149
Clinical features Diamond – Blackfan anemia is characterized by anemia ( low red blood cell counts ) with decreased erythroid progenitors in the bone marrow .
 Diamond, Blackfan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Diamond, Blackfan