14041
Among all tested UGT1A variations and upon multivariate analyses , no UGT1A1 SNPs remained significant , whereas three SNPs located in the central region of UGT1A were linked to neutropenia grade 3 - 4 .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None