Karam, P. A., A. Hiuser, D. Magnuson, and F. G. F. Seifarth. “Intracorporeal Hybrid Single Port Vs Conventional Laparoscopic Appendectomy in Children”. La Pediatria Medica E Chirurgica, vol. 38, no. 3, Dec. 2016, doi:10.4081/pmc.2016.133.