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. 2019 Dec 5;14:2815–2823. doi: 10.2147/COPD.S228465

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© 2019 Paneroni et al.

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Comparison of total energy expenditure (Cal/day) between trolley and portable cylinder users in the LTOT group. Difference between groups: *p=0.022. Portable Cyl= portable cylinder. Cal/day=Calories/day.