Gastro-oesophageal reflux disease. Fass R, Boeckxstaens GE, El-Serag H, Rosen R, Sifrim D, Vaezi MF. Nat Rev Dis Primers. 2021 Jul 29;7(1):55. doi: 10.1038/s41572-021-00287-w. PMID: 34326345