Mostafa, Pooya, Hamzeh, y Behnood. «Comparison of the One-Year Recurrence Rate of Direct Inguinal Hernia Repaired With Lichtenstein Procedure under General Versus Spinal Anesthesia». Revista Publicando, vol. 5, n.º 17, noviembre de 2018, pp. 115-20, https://revistapublicando.org/revista/index.php/crv/article/view/1781.