10505
Metformin has been shown to inhibit the growth of endometriotic implants , and reverse endometrial hyperplasia when combined with oral contraceptive in a case report .
 Chemical: Metformin
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: Metformin