26041
Materials & methods : A two - stage investigation of 19 , 217 coding SNPs ( cSNPs ) was performed in a Spanish ( Inflammatory Bowel Disease Group of Galicia [ EIGA ] ) cohort of 173 IBD patients , 15 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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