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comparative effectiveness research
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comparative effectiveness research
305 How and when are nonrandomised studies included in cochrane systematic reviews – an overview of current practice
Sharea
Ijaz
,
Jos
Verbeek
,
Christina
Tikka
,
Jani
Ruotsalainen
Occupational and Environmental Medicine
Apr 2018,
75
(Suppl 2)
A177;
DOI:
10.1136/oemed-2018-ICOHabstracts.501
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