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. 2019 Dec 10;14:2885–2893. doi: 10.2147/COPD.S225365

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© 2019 Takei et al.

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Kaplan–Meier curves according to serum AAT levels: (A) exacerbation-free survival and (B) all-cause mortality.

Abbreviations: AAT, alpha-1 antitrypsin; N.S., not significant.