B. S., S.K., Date, R., Woodhouse, N., El-Shafie, O. and Nollain, K. 2014. Successful Management of Phaeochromocytoma using Preoperative Oral Labetalol and Intraoperative Magnesium Sulphate : Report of four cases. Sultan Qaboos University Medical Journal. 14, 2 (May 2014), 236–240.