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The top 20 cSNPs identified in the first stage with p < 10 ( - 3 ) for allelic test association and SNPs that define the common TPMT alleles were replicated in a different Spanish ( ENEIDA ) cohort ( 87 patients , 29 with bone marrow suppression ) .
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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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