@article{oku_1931, 
  title={Investigation of the Human Blood Group Types from the Standpoint of Heredity (Addendum) The Author's New Theory on the Heredity of the Human Blood Group Types Supplemented}, 
  volume={43}, 
  DOI={10.4044/joma1889.43.4_845}, 
  publisher={Okayama Medical Association}, 
  author={Oku}, 
  year={1931}
  }