Yasuyuki Arai, Tadakazu Kondo, Hirohito Yamazaki, Katsuto Takenaka, Junichi Sugita, Takeshi Kobayashi, Yukiyasu Ozawa, Naoyuki Uchida, Koji Iwato, Naoki Kobayashi, Yoshiyuki Takahashi, Ken Ishiyama, Takahiro Fukuda, Tatsuo Ichinohe, Yoshiko Atsuta, Takehiko Mori, Takanori Teshima. Allogeneic unrelated bone marrow transplantation from older donors results in worse prognosis in recipients with aplastic anemia. Haematologica 2016;101(5):644-652; https://doi.org/10.3324/haematol.2015.139469.