Hashem, S., Hossain, M., Ali, M., Choudhury, A. and Masum, A. (2012) “Radiofrequency Catheter Ablation of Left Free Wall Accessory Pathways: Comparison Between Retrograde and Transeptal Approach”, Cardiovascular Journal, 4(2), pp. 139–147. doi: 10.3329/cardio.v4i2.10458.