Kataria B, Epstein R, Bailey A, Backus WW, Schoeck D, Hackl W, Govaerts MJ, Rouge JC, Kern C, Van Ackern K, Hatch DJ, Schmitz ML. A comparison of sevoflurane to halothane in paediatric surgical patients: results of a multicentre international study. Paediatr Anaesth. 1996; 6(4):283-292.