Moniruddin, A., Raihan, H. M. S. ., Hasan, T. ., Nahar Khanom, M. N. ., Shaikat , M. A. B. ., Ferdous, B. ., Khan, M. R. . and Rouf, M. A. . (2022) “Primary Umbilical Endometriosis (Villar’s Nodule): A Rare Symptomatic Umbilical Pathology in An Adult Woman”, KYAMC Journal, 13(1), pp. 56–60. doi: 10.3329/kyamcj.v13i1.59883.