Thiopurine methyltransferase phenotype and genotype in relation to azathioprine therapy in autoimmune hepatitis
Genotypic analysis of thiopurine S-methyltransferase in patients with Crohn's disease and severe myelosuppression during azathioprine therapy
A single point mutation leading to loss of catalytic activity in human thiopurine S-methyltransferase.
The frequency and distribution of thiopurine methyltransferase alleles in Caucasian and Asian populations