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The aim of this study was to investigate the effects of vitamin C , vitamin E and selenium ( Se ) on the skin tissue of streptozotocin - induced diabetic rats .
 Chemical: vitamin C; Chemical: vitamin E; Chemical: selenium; Chemical: Se; Chemical: streptozotocin
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: vitamin C; Chemical: vitamin E; Chemical: selenium; Chemical: Se; Chemical: streptozotocin