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In vitro evaluation of the protective effects of 4 - thujanol against mitomycin - C and cyclophosphamide - induced genotoxic damage in human peripheral lymphocytes .
 Chemical: 4 - thujanol; Chemical: mitomycin - C; Chemical: cyclophosphamide
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: 4 - thujanol; Chemical: mitomycin - C; Chemical: cyclophosphamide