A. Pagán Pomar, C. Alvarez Segurado, J. M. Morón Canis, I. Fernández Hurtado, and J. A. Soro Gosalvez, “Shouldice technique and mesh interposition by Prolene. Preliminary results”, Cir. Urug., vol. 69, no. 3-4, pp. 204–207, Apr. 1999.