Glutathione-S-transferase (GST) M1 null genotype and combined GSTM1 and GSTT1 null genotypes are risk factors for increased serum gamma-glutamyltransferase in valproic acid-treated patients - Fukushima, Y; Seo, T; Hashimoto, N (Clin Chim Acta, 2008)
et al.