Sixty new employees in a cotton textile mill were followed up for five years to study their occurrence of byssinosis and its natural history.

  • 为了观察棉尘病的发生及其自然发展史,对60名棉纺厂新工人进行了5年的前瞻性随访。

  • 互联网摘选 2025-01-20 00:00:37

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