A preliminary statistical report of x-ray findings in black lung applicants from the state of West Virginia.

@article{Levy1971APS,
  title={A preliminary statistical report of x-ray findings in black lung applicants from the state of West Virginia.},
  author={Alexandre Levy},
  journal={The West Virginia medical journal},
  year={1971},
  volume={67 9},
  pages={263-5}
}