30668
In contrast , TSH - induced differentiation of progenitor cells , in particular the expression of the sodium iodide symporter , was significantly inhibited by 17beta - oestradiol . In conclusion , oestrogen stimulated growth and simultaneously inhibited differentiation of thyroid nodules derived stem / progenitor cells .
 Chemical: sodium iodide; Chemical: 17beta - oestradiol; Chemical: oestrogen
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: sodium iodide, 17beta - oestradiol, oestrogen 
Answer:
 Chemical: sodium iodide; Chemical: 17beta - oestradiol; Chemical: oestrogen