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Relief of biliary obstruction: choosing between endoscopic ultrasound and endoscopic retrograde cholangiopancreatography

Crossref DOI link: https://doi.org/10.1136/bmjgast-2020-000428

Published Online: 2020-07-29

Published Print: 2020-07

Update policy: https://doi.org/10.1136/crossmarkpolicy

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