Takahashi Y, Takahashi S, Yoshimi T, Miura T, Mochitate K, Kobayashi T. Increases in the mRNA levels of gamma-glutamyltransferase and heme oxygenase-1 in the rat lung after ozone exposure. Biochem Pharmacol. 1997 Apr 04;53(7):1061–4. doi: 10.1016/s0006-2952(97)00104-4. PMID: 9174121.