7955
The availability of suitable hepatic and other organ - specific in vitro models is , however , of paramount importance in the light of changing European legal regulations in the field of chemical compounds of different origin , which gradually restrict the use of animal studies for safety assessment , as currently witnessed in cosmetic industry .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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