S573 Efficacy of Rifaximin in Patients With Abdominal Bloating or Distension: A Systematic Review and Meta-Analysis. (October 2022) - Arora, Umang; Garg, Prerna; Baitha, Upendra; Kedia, Saurabh; Kalaivani, M; Ahuja, Vineet; Kumar, Arvind; Ranjan, Piyush; Vikram, Naval K.; Sinha, Sanjeev; Biswas, Ashutosh; Wig, Naveet