Hierarchy of evidence: where observational studies fit in and why we need them (Q83762647)
scientific article published on 01 May 2009
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(P1476) "Hierarchy of evidence: where observational studies fit in and why we need them" (language: en)
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(P2093) Emil H Schemitsch
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Saam Morshed
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Mohit Bhandari
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(P2860) (Q24655756)
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(P854) https://opencitations.net/index/coci/api/v1/citations/10.1136/BMJ.312.7023.71

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description scientific article published on 01 May 2009

External Links
(P356) 10.2106/JBJS.H.01571
(P698) 19411493