21890
RESULTS : All patients showed a rise in free T4 at 120mins following the administration of the levothyroxine bolus , with a mean increase of 54 +/- 3 % from baseline .
 Chemical: levothyroxine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: levothyroxine