Abarwayi benshi bafite indwara zidakira zifata ibihaha (COPD) bazemera kuvura ogisijeni yo mu rugo kugira ngo umwuka wa ogisijeni utangwa mu mubiri, kugira ngo ukomeze imikorere y'ibihaha, bizamura imibereho n'imibereho y'abarwayi ba COPD.Murugo ogisijeni ivura ikoreshwa muri fami ...
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