Wiesel, P., Dorta, G., Cuypers, P., Herranz, M., Kreis, M., Schnegg, J.-F. and Jornod, P. 2001. Patient satisfaction after biofeedback for constipation and pelvic floor dyssynergia. Swiss Medical Weekly. 131, 1112 (Mar. 2001), 152–156. DOI:https://doi.org/10.4414/smw.2001.06125.