COPD is a progressive lung disease marked by breathlessness, chronic cough, and mucus production, where these symptoms may ...
I'm about to make a confession that may shock some of you. I vape. Before you judge me too harshly, let me explain the reason ...
aDivision of Pulmonology and UCT Lung Institute, Department of Medicine, University of Cape Town and Groote Schuur Hospital, South Africa bResearch Unit on the Economics of Excisable Products, School ...
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