Shehata, M. A., Ebeid, A. E., El Attar, A. A. (2020). 'Two-incision laparoscopic cholecystectomy performed via the “marionette” technique versus conventional laparoscopic cholecystectomy in pediatrics', Annals of Pediatric Surgery, 16(1), pp. -. doi: 10.1186/s43159-019-0014-8