Berry Philip, Kotha Sreelakshmi
Department of Gastroenterology, Guy's and St Thomas' Foundation Trust, London SE1 7JD, UK.
Department of Gastroenterology, Guy's and St Thomas' Foundation Trust, London SE1 7JD, UK.
Lancet Gastroenterol Hepatol. 2021 Dec;6(12):978-980. doi: 10.1016/S2468-1253(21)00341-1.