To explore the risk factors of pulmonary tuberculosis (PT) in the enterprises in Changde and to lay foundation for their prevention and control.

[目的]探索影响工矿企业工人结核病发病的危险因素，为结核病预防提供参考依据。

youdao

To explore the risk factors of pulmonary tuberculosis (PT) in the enterprises in Changde and to lay foundation for their prevention and control.

[目的]探索影响工矿企业工人结核病发病的危险因素，为结核病预防提供参考依据。

youdao