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Basal FSH and LH levels were significantly lower in addicts ; after GnRH stimulation the addicts ' FSH and LH values increased but not significantly compared to controls .
 FSH, LH, GnRH, FSH, LH
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 FSH, LH, GnRH, FSH, LH