Figure 3From: Development of icterus gravis in a preterm infant with G71R UGT1A1 polymorphismUGT1A1 gene analysis. A substitution at base 211 from G to A (211G→A: G71R) in exon 1 of the bilirubin uridine diphosphate-glucuronosyltransferase (UGT1A1) gene was observed with a heterozygous pattern (↓).Back to article page