13069
GBE has been traditionally used as a platelet activating factor , a circulatory stimulant , a tonic , and anti - asthmatic drug , and anti - cancer agent . However , anti - cancer effects of GBE on ER - negative breast cancer have not been proved yet .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None