A cluster randomised controlled trial evaluating the effectiveness of a structured pulmonary rehabilitation education programme for improving the health status of people with chronic obstructive pulmonary disease (COPD): The PRINCE Study protocol.

BMC Pulm Med · 2011 · PMC3029222 · PMID 21244668

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highly significantno p-value reported

Support following the intervention is thought to be highly significant in adherence to the programme principles [ 22 ].

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