14899
Number and area of preneoplastic foci positive for glutathione S - transferase placental form ( GST - P ) were consistently higher in these groups than the sum of individual values in the groups treated with HEP or HCB alone .
 Chemical: glutathione; Chemical: S; Chemical: HEP; Chemical: HCB
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: glutathione; Chemical: S; Chemical: HEP; Chemical: HCB