TY - JOUR T1 - Defining Core Patient Descriptors for Perforated Peptic Ulcer Research: An International Delphi Consensus Exercise JO - British Journal of Surgery PY - 2022/03/11 AU - Lamidi S AU - Lee MJ AU - Coe P AU - Williams KM AU - Hind D ED - Y2 - 2024/12/22 ER -