Pheochromocytoma and paraganglioma in children: a review of medical and surgical management at a tertiary care center - Pham, T H; Moir, C; Thompson, G B; Zarroug, A E; Hamner, C E; Farley, D; van Heerden, J; Lteif, A N; Young, W F, Jr (Pediatrics, 2006)