3430
In addition , the number and area of glutathione S - transferase placental form ( GST - P ) positive foci and proliferating cell nuclear antigen ( PCNA ) positive cell ratios in the hepatocytes were significantly increased in the male and female rats that were administered 100mg / kg MEG compared with the control animals .
 Chemical: glutathione; Chemical: S; Chemical: MEG
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: glutathione, S, MEG 
Answer:
 Chemical: glutathione; Chemical: S; Chemical: MEG