Duodenum-Sparing Technique of Head Resection in Solid Pseudopapillary Tumor of the Pancreas in Children - Snajdauf, J.; Rygl, M.; Petru, O.; Kalousova, J.; Kuklova, P.; Mixa, V.; Keil, R.; Hribal, Z. (European Journal of Pediatric Surgery, 2009)