4430
In vivo differentiation therapy with retinoids in APL patients follows strict guidelines related both to the APL cell and the biodisposal of all-trans retinoic acid .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 None