Mannan, Ambreen Abdul, Suhail Ahmed Soomro, Aneeta Kumari, and Fauzia Abdul Raheem Memon. 2022. “Umbilical Bleeding During Menstruation in Status Post Laparoscopic Cholecystectomy of unknown/Ambiguous Aetiology”. International Surgery Journal 9 (6):1250-53. https://doi.org/10.18203/2349-2902.isj20221419.