@misc{indiciaec731963ca8f0,
  title = {Spirometric lung function tests in normal men and African ethnic origin.},
  author = {K Y Mustafa},
  year = {1977},
  doi = {10.1164/arrd.1977.116.2.209},
  url = {https://pubmed.ncbi.nlm.nih.gov/889173/},
  note = {Source identifier: 889173}
}