@article{CTT100884560,
  author = {Shinji Tanishima and Yasunori Kotani and Chikako Takeda and Tokumitsu Mihara and Shinya Ogawa and Akira Matsubara and Takashi Goto and Takahiro Hirayama and Hideki Hashizume and Junichiro Arai and Daichi Mukunoki and Hideki Nagashima},
  title = {Relationship between facial color changes and psychological problems associated with low back pain},
  journal = {Medicina},
  year = 2022,
}

@article{CTT100692332,
  author = {Mitsuo Niinomi and Masaaki Nakai and Junko Hieda and Ken Cho and Toshihiro Kasuga and Takashi Goto and Tomokazu Hattori and Takao Hanawa},
  title = {A review of surface modification of a novel low modulus β-type titanium alloy for biomedical applications},
  journal = {International Journal of Surface Science and Engineering},
  year = 2014,
}

@inproceedings{CTT100692647,
  author = {Junko Hieda and Mitsuo Niinomi and Masaaki Nakai and Ken Cho and Takao Hanawa and Hirokazu Katsui and Rong Tu and Takashi Goto},
  title = {Biomedical surface modification of beta-type titanium alloy for implants with surface morphology control},
  booktitle = {},
  year = 2015,
}