@article{okano_fukagawa_1954, 
  title={Studies on Azoprotein Immunization. I}, 
  volume={74}, 
  DOI={10.1248/yakushi1947.74.10_1059}, 
  number={10}, 
  publisher={Pharmaceutical Society of Japan}, 
  author={Okano and Fukagawa}, 
  year={1954}
  }