M. Umar, T. Fatima, U. Ismat Butt, W. Hayat Khan, M. Ayyaz, and S. Ullah Bhatti, “Variations of Cystic Artery as Viewed During Laparoscopic Cholecystectomy: A Review of 400 Cases from Pakistan in Light of Ding’s Classification”, Esculapio - JSIMS, vol. 17, no. 4, pp. 347–350, Jul. 2023.