D. Paz Martín, «El lavado epidural con suero fisiológico puede acortar la recuperación postanestésica: E. Y. Park, H. K Kil, W. S Park, N.-H. Lee , J.-Y. Hong. Effect of epidural saline washout on regression of sensory and motor block after epidural anaesthesia with 2% lidocaine and fentanyl in elderly patients. Anaesthesia 2009; 64: 273-276», Rev Elect AnestesiaR, vol. 1, n.º 5, p. 1, may 2009.