Hussein, Abdulrahman, et al. “A U-SHAPED MUCOSAL INCISION OUTCOME VERSUS H-SHAPED IN THE EXTERNAL DACRYOCYSTORRHINOSTOMY PROCEDURE”. JOURNAL OF SULAIMANI MEDICAL COLLEGE, vol. 9, no. 3, Sept. 2019, pp. 219-23, https://doi.org/10.17656/jsmc.10209.