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. 2003 May;52(Suppl 2):ii10–ii18. doi: 10.1136/gut.52.suppl_2.ii10

Figure 2 .

Figure 2

Genetic polymorphism of thiopurine methyltransferase and its importance in determining response to thiopurine medications (azathioprine, mercaptopurine, and thioguanine) (reproduced with publisher's permission, from Krynetski and Evans Am J Hum Genet 1998;63:11–16).