Hypoxia at 3D organoid establishment selects essential subclones within heterogenous pancreatic cancer oleh Koichiro Kumano, Hiromitsu Nakahashi, Pakavarin Louphrasitthiphol, Pakavarin Louphrasitthiphol, Yukihito Kuroda, Yoshihiro Miyazaki, Osamu Shimomura, Shinji Hashimoto, Yoshimasa Akashi, Bryan J. Mathis, Jaejeong Kim, Yohei Owada, Colin R. Goding, Tatsuya Oda