Temporary disability to work caused by diseases of the upper respiratory tract in the tobacco industry of Plovdiv.

@article{Sekerova1969TemporaryDT,
  title={Temporary disability to work caused by diseases of the upper respiratory tract in the tobacco industry of Plovdiv.},
  author={N Sekerova},
  journal={Folia medica},
  year={1969},
  volume={11 1},
  pages={46-54}
}