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We measured serum thyroxine and urine - concentrating ability ( Umax ) in response to desmopressin ( DDAVP ) in 85 patients receiving lithium .
 Chemical: thyroxine; Chemical: lithium
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: thyroxine; Chemical: lithium