Burden of disease and adaptation to life in patients with Crohn’s perianal fistula: a qualitative exploration oleh Samuel O. Adegbola, Lesley Dibley, Kapil Sahnan, Tiffany Wade, Azmina Verjee, Rachel Sawyer, Sameer Mannick, Damian McCluskey, Nuha Yassin, Robin K. S. Phillips, Philip J. Tozer, Christine Norton, Ailsa L. Hart