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Using in vitro culture and subrenal grafting of mouse ovaries , we demonstrated that imatinib inhibits the cisplatin - induced apoptosis of oocytes within primordial follicles .
 Chemical: imatinib; Chemical: cisplatin
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: imatinib; Chemical: cisplatin