Study protocol for resolution of organ injury in acute pancreatitis (RESORP): an observational prospective cohort study oleh Ahmed E Sherif, Rory McFadyen, Julia Boyd, Margaret Glenwright, Xiaozhong Zheng, Laura McFadyen, Emma Connon, Michelle Steven, Anthony Wackett, Euan Thomson, David C Cameron, Shaun Baxter, Saskia Clark-Stewart