@article{toba_yamada_1959, 
  title={Experience of Clover-Leaf-Form Intramedullary Nail}, 
  DOI={10.5035/nishiseisai.9.59}, 
  publisher={West-Japanese Society of Orthopedics & Traumatology}, 
  author={Toba and Yamada}, 
  year={1959}
  }