Mahdavi, Alireza, et al. “Comparison of Bilateral Infraorbital Nerve Block With Lidocaine Hydrochloride (Xylocaine) Or Bupivacaine Hydrochloride (Marcaine) With Intravenous Pethidine for Postoperative Pain Management of Pediatric Patients of Cleft Lip Surgery (Cheiloplasty): A Prospective Double Blind Randomized Clinical Trial”. Iranian Journal of Pediatric Surgery, vol. 10, no. 1, Apr. 2024, pp. 88-97, doi:10.22037/irjps.v10i1.44632.