@misc{indiciae806ea42447c9,
  title = {Differences between ethnic groups in physical working capacity.},
  author = {C H WYNDHAM and N B STRYDOM and J F MORRISON and J PETER and C G WILLIAMS and G A BREDELL and A JOFFE},
  year = {1963},
  doi = {10.1152/jappl.1963.18.2.361},
  url = {https://pubmed.ncbi.nlm.nih.gov/14002125/},
  note = {Source identifier: 14002125}
}