Fabrication of mouse embryonic stem cell-derived layered cardiac cell sheets using a bioreactor culture system. oleh Katsuhisa Matsuura, Masanori Wada, Kanako Konishi, Michi Sato, Ushio Iwamoto, Yuko Sato, Aki Tachibana, Tetsutaro Kikuchi, Takahiro Iwamiya, Tatsuya Shimizu, Jun K Yamashita, Masayuki Yamato, Nobuhisa Hagiwara, Teruo Okano