Beyond PICO: the SPIDER tool for qualitative evidence synthesis
Qualitative health research, 2012-10, Vol.22 (10), p.1435
[Peer Reviewed Journal]
ISSN: 1049-7323 ;EISSN: 1552-7557 ;DOI: 10.1177/1049732312452938 ;PMID: 22829486
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