14603
The AMH serum levels were estimated in the early proliferative phase of the cycle , before surgery ( time 0 ) , 24 h after surgery ( time 1 ) , the first menstrual cycle after surgery ( time 2 ) and the third menstrual cycle after surgery ( time 3 ) .
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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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