Improvement in survival of patients with higher risk but not lower risk myelodysplastic syndromes over 20 years: A retrospective study from Nagasaki, Japan.

Takafumi Furumoto, Koji Ando, Eo Toriyama, Tomoko Hata, Hikaru Sakamoto, Masahiko Chiwata, Hideaki Kitanosono, Jun Nakashima, Takeharu Kato, Masataka Taguchi, Makiko Horai, Hidehiro Itonaga, Shinya Sato, Yasushi Sawayama, Daisuke Imanishi