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. 2020 Jun 9;15:1325–1334. doi: 10.2147/COPD.S242210

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© 2020 Klooster et al.

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Number of Chartis measurements needed to identify one patient with collateral ventilation, by level of fissure completeness score. This score ranges from the indicated value on the x-axis to 100%.

Abbreviations: RULF, Right Upper Lobe Fissure; LMF, Left Major Fissure; RMF, Right Major Fissure.