Lennert B, Farrelly E, Sacco P, Pira G, Frost M. Resource utilization in children with tuberous sclerosis complex and associated seizures: a retrospective chart review study. J Child Neurol. 2013 Apr;28(4):461-9.
Ferguson JE3rd, Goyal RK, Raynor MC, Nielsen ME, Pruthi RS, Brown PM, Wallen EM. Cost analysis of robot-assisted laparoscopic versus hand-assisted laparoscopic partial nephrectomy. J Endourol. 2012 Aug;26(8):1030-7.