13569
Compared with healthy controls , the relative activities of the backdoor and Delta 4 - pathways increase in patients with congenital adrenal hyperplasia during neonatal age and infancy , whereas the activity of the Delta 5 - pathway remains unchanged .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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