Intravenous f err i c carboxymaltos e ve r sus oral ferrous sulfate repla ce ment in elderly patients after acute non-variceal gastrointestinal bleeding ( FIERCE ): protocol of a multicentre, open-label, randomised controlled trial.
Brigitta TeutschSzilárd VáncsaNelli FarkasZsolt SzakácsNóra VörhendiEszter BorosImre SzabóRoland HágendornHussain AlizadehBálint ErőssBálint ErőssPublished in: BMJ open (2023)
The trial has been registered at ClinicalTrials.gov (NCT05060731).