12529
Among all patients taking thyroid medication , 42 . 7 % % had an abnormal serum TSH ( 28 . 3 % were undertreated and 14 . 4 % were over treated ) .
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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:
 None