Vitamin B12 deficiency and use of proton pump inhibitors: a systematic review and meta-analysis.

Arup Choudhury Anuraag Jena Vaneet Jearth Amit Kumar Dutta Govind Kumar Makharia Usha Dutta Mahesh K Goenka Rakesh Kochhar Navneet Sharma

Published in: Expert review of gastroenterology & hepatology (2023)

This study was not registered on PROSPERO.

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