Tang, Qi-Yun Expression and alterations of different molecular form gamma-glutamyl trans ferase and total RNA concentration during the carcinogenesis of rat hepatoma. [electronic resource] - World journal of gastroenterology Aug 1999 - 356-358 p. digital Publication Type: Journal Article ISSN: 2219-2840 Standard No.: 10.3748/wjg.v5.i4.356 doi