13867
However , these results have been vehemently contested and several lines of evidence suggest that in perimenopausal and non - obese women , estrogen therapy may indeed be of benefit .
 Chemical: estrogen
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: estrogen