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Book of OHDSI
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Order The Book of OHDSI (Amazon)
EHDEN Academy
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YouTube: Tutorials and Presentations
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New To OHDSI?
Join Our Microsoft Teams Environment
Join A Forum Discussion
Introduce Yourself!
Upcoming Workgroup Calls
Video: What Is OHDSI?
Learn More: The Book Of OHDSI
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2026 Community Calls
Europe Community Calls
APAC Community Calls
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2025 Global Symposium
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Comparing the impact of clean windows across cohorts and databases
Authors:
Rupa Makadia, Kevin Haynes, Patrick Ryan
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Abstract
