Establishment of repeated liver biopsy technique in experimental mice oleh Wenhua Shao, Mayuko Ichimura-Shimizu, Hirohisa Ogawa, Shengjian Jin, Mitsuko Sutoh, Satoko Nakamura, Miki Onodera, Hirosuke Tawara, Shunji Toyohara, Ryoji Hokao, Yasusei Kudo, Takeshi Oya, Koichi Tsuneyama