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Propensity-matched case control.
Design prospective case control study.
It was a retrospective case control study.
(i.e. cross-sectional versus case control design).
Case control studies were excluded.
Study design: case control study.
Similar(54)
This study uses a case-control design.
Case-control studies.
3 (case-control study).
Exploratory case-control study.
Design: Case-control series.
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