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During her further 3 weeks inpatient admission the serum sodium ranged from 134 to 137 mmol / L during treatment with mirtazapine .
 Chemical: sodium; Chemical: mirtazapine
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:
 Chemical: sodium; Chemical: mirtazapine