@article{ichikawa_kusaka_ogawa_goto_1988, 
  title={Changes of blood and urinary levels of cobalt during single exposure to cobalt.}, 
  volume={30}, 
  DOI={10.1539/joh1959.30.208}, 
  publisher={Japan Society for Occupational Health}, 
  author={ICHIKAWA and KUSAKA and OGAWA and GOTO}, 
  year={1988}
  }