104−Week Carcinogenicity Study of Monoammonium Glycyrrhizinate by Subcutaneous Administration to CD Rats and CD−1 Mice Yuko Akasaka and Akira Hatta and Miwa Takei and Toshitsugu Sato and Jost Leuschner and Hideo Inoue, 薬理と治療, 37, 181-196 (2009), DOI:http://dx.doi.org/