14659
This study examined the effects of mercuric chloride on the antioxidant system and histopathological changes and also evaluated the ameliorating effects of sodium selenite and / or vitamin E in the rat testis tissues .
 Chemical: mercuric chloride; Chemical: sodium selenite; Chemical: vitamin E
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: mercuric chloride, sodium selenite, vitamin E 
Answer:
 Chemical: mercuric chloride; Chemical: sodium selenite; Chemical: vitamin E