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To determine the probable adverse effects of thiazole - Zn on thyroid gland and development function , the rodent 20 - day Pubertal Female Assay in this study was used .
 Chemical: thiazole; Chemical: Zn
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: thiazole; Chemical: Zn