Can hydrogen breath test predict postoperative ileus following laparoscopic colorectal surgery and within ERAS programme?. (June 2017) - Francis, Nader; Crilly, Louise; Curtis, Nathan; Rowlands, Ceri; Gould', Oliver; de Lacy Costello, Ben; Widnall, Holly; Allison, Jo; Salib, Emad; Ratcliffe, Norm