Risk of exacerbations, hospitalisation, and mortality in adults with physician-diagnosed chronic obstructive pulmonary disease with normal spirometry and adults with preserved rati... by Oskar Wallström, Caroline Stridsman, Helena Backman, Sigrid Vikjord, Anne Lindberg, Fredrik Nyberg, Lowie E.G.W. Vanfleteren

Subjects: “…Physician diagnosed COPD with normal spirometry…”
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Risk of All-Cause Mortality in US Adults With Preserved Ratio Impaired Spirometry: An Observational Study by Xiao S, Ou J, Qiu W, Ye C, Li N, Chen S, Lai Y, Deng Z, Wu F, Shen Y

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