Symptoms of chronic bronchitis in individuals without chronic obstructive pulmonary disease: prevalence, burden, and risk factors in southern Poland

Filip
Mejza
Paweł
Nastałek
Zbigniew
Doniec
Wojciech
Skucha
Pol Arch Intern Med
2018
128
11
677
684
Published online: 
October 10, 2018

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