@article{hirose_2008, 
  title={Study on Masking Effect of Various Light-cured Composite Resins}, 
  volume={51}, 
  DOI={10.11471/shikahozon.51.530}, 
  number={5}, 
  publisher={The Japanese Society of Conservative Dentistry}, 
  author={HIROSE, Naoko}, 
  year={2008}
  }