Impact of the Superoxide Dismutase 2 Val16Ala Polymorphism on the Relationship between Valproic Acid Exposure and Elevation of γ-Glutamyltransferase in Patients with Epilepsy: A Population Pharmacokinetic-Pharmacodynamic Analysis. - Ogusu, Naoki; Saruwatari, Junji; Nakashima, Hiroo; Noai, Madoka; Nishimura, Miki; Deguchi, Mariko; Oniki, Kentaro; Yasui-Furukori, Norio; Kaneko, Sunao; Ishitsu, Takateru; Nakagaswa, Kazuko (PLoS ONE, 2014)