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. 2023 Mar 23;35(5):953–968. doi: 10.1007/s40520-023-02381-3

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Fig. 2 — Resmon pro diary© by Restech S.R.L. 6MWD 6 minutes walking distance, CRQ Chronic respiratory questionnaire, HR-QoL Health-related quality of life, QF quadriceps femoris muscle force