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Combining PPI with qualitative research to engage ‘harder-to-reach’ populations: service user groups as co-applicants on a platform study for a trial

Crossref DOI link: https://doi.org/10.1186/s40900-016-0023-1

Published Online: 2016-03-24

Published Print: 2016-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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