PT - JOURNAL ARTICLE AU - Conley, Thomas Edward AU - Andrews, Timothy AU - Arumainathan, Arvind AU - O'Toole, Paul AU - Smith, Philip J AU - Subramanian, Sreedhar TI - An unexpected cause of iron deficiency AID - 10.1136/gutjnl-2020-321830 DP - 2021 Aug 01 TA - Gut PG - 1434--1579 VI - 70 IP - 8 4099 - http://gut.bmj.com/content/70/8/1434.short 4100 - http://gut.bmj.com/content/70/8/1434.full SO - Gut2021 Aug 01; 70