Analysis of Genetic Association of Intestinal Permeability in Healthy First-degree Relatives of Patients with Crohn's Disease. Issue 11 (18th October 2019) - Turpin, Williams; Espin-Garcia, Osvaldo; Bedrani, Larbi; Madsen, Karen; Meddings, Jonathan B; Raygoza Garay, Juan Antonio; Silverberg, Mark S; Smith, Michelle I; Griffiths, Anne M; Moayyedi, Paul; Marshall, John K; Mack, David; et al.