Gentili, A., Pasini, L., Bachiocco, V., Landuzzi, V., Giuntoli, L., Lima, M. and Baroncini, S. (2012) “Cardiocirculatory intraoperative assessment during single-shot caudal anaesthesia in children: comparison between levobupivacaine and ropivacaine”, La Pediatria Medica e Chirurgica, 34(3). doi: 10.4081/pmc.2012.79.