El Sabbagh, A., Patel, V. G., Jeroudi, O. M., Michael, T. T., Alomar, M. E., Mogabgab, O., . . . Brilakis, E. S. (2014). Angiographic success and procedural complications in patients undergoing retrograde percutaneous coronary chronic total occlusion interventions: A weighted meta-analysis of 3482 patients from 26 studies. International Journal of Cardiology, 174(2), 243-248. https://doi.org/10.1016/j.ijcard.2014.04.004

El Sabbagh, Abdallah, et al. "Angiographic Success and Procedural Complications in Patients Undergoing Retrograde Percutaneous Coronary Chronic Total Occlusion Interventions: A Weighted Meta-analysis of 3482 Patients from 26 Studies." International Journal of Cardiology 174, no. 2 (2014): 243-248. https://doi.org/10.1016/j.ijcard.2014.04.004.

El Sabbagh, Abdallah, et al. "Angiographic Success and Procedural Complications in Patients Undergoing Retrograde Percutaneous Coronary Chronic Total Occlusion Interventions: A Weighted Meta-analysis of 3482 Patients from 26 Studies." International Journal of Cardiology, vol. 174, no. 2, 2014, pp. 243-248, https://doi.org/10.1016/j.ijcard.2014.04.004.