20494
The aim of this study was to investigate whether miR - 21 mediated resistance of the gastric cancer cell line SGC7901 to the chemotherapeutic agent cisplatin ( DDP ) .
 Chemical: cisplatin; Chemical: DDP
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: cisplatin; Chemical: DDP