Thioredoxin levels in the sera of untreated viral hepatitis patients and those treated with glycyrrhizin or ursodeoxychoiic acid. - Nakashima,T.; Sumida,Y.; Yoh,T.; Kakisaka,Y.; Nakajima,Y.; Ishikawa,H.; Mitsuyoshi,H.; Kashima,K.; Nakamura,H.; Yodoi,J. (Antiox Redox Signal, 2000)