The significance of respiratory symptoms and the diagnosis of chronic bronchitis in a working population.

Name: The significance of respiratory symptoms and the diagnosis of chronic bronchitis in a working population.
Author: FLETCHER, C M

The significance of respiratory symptoms and the diagnosis of chronic bronchitis in a working population. — المؤلف: FLETCHER, C M — British medical journal 19981101

المؤلف: FLETCHER, C M
النشر: British medical journal 19981101
الوصف: 257-66 p.
الموضوعات: Bronchitis؛ Bronchitis, Chronic؛ Humans