PT - JOURNAL ARTICLE AU - Yong Sul Kim AU - Ross Hansen AU - May YW Wong TI - Dysphagia: revisiting investigations AID - 10.1136/gutjnl-2021-324844 DP - 2021 May 17 TA - Gut PG - gutjnl-2021-324844 4099 - http://gut.bmj.com/content/early/2021/07/13/gutjnl-2021-324844.short 4100 - http://gut.bmj.com/content/early/2021/07/13/gutjnl-2021-324844.full