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Development of the obstructive sleep apnea syndrome must be considered a possible side effect of androgen therapy .
 Disease: obstructive sleep apnea syndrome; Chemical: androgen
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: obstructive sleep apnea syndrome; Chemical: androgen