Nikshoar, M. R., Z. Maleki, and B. Nemati Honar. “The Clinical Efficacy of Infrared Photocoagulation Versus Closed Hemorrhoidectomy in Treatment of Hemorrhoid”. Journal of Lasers in Medical Sciences, vol. 9, no. 1, Dec. 2017, pp. 23-26, https://journals.sbmu.ac.ir/jlms/article/view/16272.